# Wellue CH-S691L Tunnel-Cuff Blood Pressure Monitor

Tunnel-Cuff: The Wellue CH-S691L blood pressure monitor uses a slide-in tunnel cuff for home measurements without wrapping a strap around the arm. It adds separate two-person memory, a three-reading average and rechargeable USB-C power, with a listed adult-arm fit of 7.1–16.5 inches.

- [Original product page](https://best-deals.pro/product/wellue-ch-s691l-tunnel-cuff-blood-pressure-monitor)
- [View offer](https://best-deals.pro/visit/wellue-ch-s691l-tunnel-cuff-blood-pressure-monitor)
- Market: US
- Language: en-US
- Currency: USD
- Brand: Wellue
- Model: CH-S691L
- Category: Beauty & Health > Health & Medical Care > Health Monitors
- Price: 149.99 USD
- Previous price: 229.99 USD
- Discount: 35%
- Price checked: 2026-11-14T06:26:07.454Z
- Rating: 5 / 5
- Reviews: 20

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Slide the arm into the tunnel cuff and press start, avoiding cuff wrapping and straps.
- Built-in arm and elbow rests are intended to help with positioning during a measurement.
- Stores up to 99 readings for each of two users, with the oldest replaced when that user's memory fills.
- Color-coded backlight indicates result categories, and the device averages the last three readings for each user.
- Rechargeable design uses USB-C and is claimed to provide up to 210 readings per charge. The armrest folds for storage.

## Pros

- Slide-in cuff design may be easier to use independently than a wraparound cuff.
- Two separate reading memories support keeping records for two users on the same device.
- Three-reading averages and the included BP log book offer both device-based and manual tracking.

## Cons

- Individual readings cannot be deleted. The listing says memory can only be cleared in full.
- The listing claims the date and time reset if the emergency stop button cuts power to the internal clock, so it may need setting again.

## Specifications

### Identity
- Brand listed: Cemho Medical Technology \(Guangdong\) Co., Ltd
- Model: CH-S691L
### Measurement and display
- Claimed accuracy: ±3 mmHg
- Adult arm fit: 7.1–16.5 inches
- Reading memory: Stores up to 99 readings per user
- Users: Two
- Average: Automatically calculates the average of the last 3 readings for each user \(User A & User B\)
- Result indicator: green for normal & elevated, yellow for stage1 & 2, red for severe hypertension
### Power and dimensions
- Charging: USB-C charging
- Claimed readings per charge: up to 210 readings
- Product dimensions and weight: 11.14 x 9.61 x 9.61 inches; 3.53 pounds
- Battery listing: 1 Nonstandard Battery batteries required. \(included\)

## Before you buy

- The listing describes the device as FDA cleared and states ±3 mmHg accuracy, but these are listing claims, not independently verified here. Its color categories are described as following AHA blood pressure classification and should not replace medical interpretation.

## A good fit for

- People who prefer a slide-in cuff and do not want to wrap a cuff around their arm.
- Two-person households that want separate stored readings and a recent-reading average.
- Home users whose adult arm circumference is within the listed 7.1–16.5-inch fit range.

## Less suited to

- People who need to remove one particular stored reading without clearing all memory.
- Buyers who require app connectivity or wireless data sharing, which are not specified in the listing.

## Customer feedback

The supplied evidence contains aggregate ratings but no written customer feedback. The ratings are uniformly five-star in the reported sample, which is encouraging but limited evidence and does not explain what users liked or establish measurement performance.

## Frequently asked questions

### How does the cuff work?
The listing describes a tunnel-style cuff. Slide the arm into it, rest the elbow and press start, without wrapping a strap around the arm.
### How many readings can it store?
It stores up to 99 readings for each of two users. When a user's memory is full, the oldest reading is replaced by the newest.
### Can I delete one reading?
No. The listing says the device can clear all stored memory, but cannot delete a single reading.
### Does it calculate an average?
Yes. It is described as displaying the average blood pressure and pulse from the last three measurements for each user.
### What should I know about the date and time?
The listing says pressing the emergency stop button cuts power to the internal clock and may reset the date and time. If that happens, set them again.

## Alternative options

- [Automatic Blood Pressure Monitor, No-Wrap Upper Arm BP Machine, FDA-Cleared \| One-Touch Operation, No-Wrap, Auto-Fit 8.7"–15.7" Arms, 3 Users×199 Memory, Large LED Display](https://best-deals.pro/visit/wellue-ch-s691l-tunnel-cuff-blood-pressure-monitor)
- [Lentorgi Smart Blood Pressure Monitor, Auto Upper Arm BP Machine, White \| FDA-Cleared, iOS Android App Compatible, No-Wrap Barrel Type Arm Cuff, One-Touch Operation, Posture Alert, 3 Usersx199 Memory](https://best-deals.pro/visit/wellue-ch-s691l-tunnel-cuff-blood-pressure-monitor)
- [CAVN Blood Pressure Monitor, One-Touch Blood Pressure Machine, FDA-Cleared \| No-Wrap Automatic Upper Arm BP Monitor for Home Use, Fits 7.1"-16.5", 3-Color Backlight, 2 Users × 99 Memory, Rechargeable](https://best-deals.pro/visit/wellue-ch-s691l-tunnel-cuff-blood-pressure-monitor)
- [CAVN Blood Pressure Monitor - No-Wrap Barrel-Type Blood Pressure Machine \| FDA-Cleared, One-Touch Operation, 3-Color Backlight, 2 Users x 99 Memory, Fits Arms 7.1"-16.5", Rechargeable for Home Use](https://best-deals.pro/visit/wellue-ch-s691l-tunnel-cuff-blood-pressure-monitor)
- [Sakerplus Blood Pressure Monitor Upper Arm, Automatic BP Machine \| No-Wrap Barrel Type,One-Touch Auto-Fit,FDA Cleared,4 Users×199 Memory,8.7-15.7 in Cuff,Dual Power,Large Display](https://best-deals.pro/visit/wellue-ch-s691l-tunnel-cuff-blood-pressure-monitor)
- [Saker Blood Pressure Monitor Upper Arm, No-Wrap BP Machine, FDA-Cleared \| No-Wrap Slide-In Design, FDA-Cleared, Easy One-Touch Operation, 4 Users×199 Memory, Large Clear Display,8.7-15.7 in Cuff](https://best-deals.pro/visit/wellue-ch-s691l-tunnel-cuff-blood-pressure-monitor)
- [Wellue BP2A Smart Blood Pressure Monitor - Wireless Uppr Arm Cuff Bluetooth BP Machine with One Piece Design, Stores Historical Data and Connects Easily to The APP for iOS & Android](https://best-deals.pro/visit/wellue-ch-s691l-tunnel-cuff-blood-pressure-monitor)
- [Blood Pressure Monitor for Home Use, No-Wrap Barrel-Type Upper Arm \| One-Touch Auto...](https://best-deals.pro/visit/ygkw-ch-s691l-no-wrap-upper-arm-blood-pressure-monitor)
- [Wellue Blood Pressure Monitor, BP Machine with Tunnel-Type Auto-Fit Cuff \| One-Touch Operation, No Wrapping, Dual Arm Measurement, Arm Position Guide, 2 Users Memory, Fits 7.1"-16.5" Arm, Rechargeable](https://best-deals.pro/visit/wellue-ch-s691l-tunnel-cuff-blood-pressure-monitor)
- [Automatic Blood Pressure Monitor Upper Arm with Smart APP Tracking Share \| FDA-Clea...](https://best-deals.pro/visit/wellue-ch-s691l-tunnel-cuff-blood-pressure-monitor)
- [Blood Pressure Monitor FDA Cleared One-Touch Automatic Upper Arm \| Blood Pressure M...](https://best-deals.pro/visit/wellue-ch-s691l-tunnel-cuff-blood-pressure-monitor)
- [Blood Pressure Monitors for Home Use, Automatic Upper Arm, 2 User \| One-Touch Blood...](https://best-deals.pro/visit/wellue-ch-s691l-tunnel-cuff-blood-pressure-monitor)

## Images

![Wellue CH-S691L Tunnel-Cuff Blood Pressure Monitor — 1](https://best-deals.pro/i/wgqQKZ0WiMxlQMaRm8b_jO0RpRIznbf2xMzc0LkJ3ZWAPEOT7M7RJHk1Uz2oeXnR2RBgHcw_uooxFcFHfXzrZ9fxtFsEyXDwgVj5NlbTX9afkoCQEa4mRJCN.jpg)

![Wellue CH-S691L Tunnel-Cuff Blood Pressure Monitor — 2](https://best-deals.pro/i/aJ83vgsqXyqXzsWiuCdycCyL5Tfzv2aHLHKLbJ3OPyEdVPeiI8155F0c2D476fMjDEymoQFzt12ojnTTnz_adyr4rdVncluZ0OQOzBhnYrtcDH4j5lSB8w0r.jpg)

![Wellue CH-S691L Tunnel-Cuff Blood Pressure Monitor — 3](https://best-deals.pro/i/bA78dJcwLEwGirrodcYxrxhUy66_eJxDmWJt0GPP_DxbtKxUEzVBDEj9P8lUHL7mER6f32OWw3w9vTOW7FM6FJrG9ymoD-wFkcpo1bl_EIC6VQgebEuKLalN.jpg)

![Wellue CH-S691L Tunnel-Cuff Blood Pressure Monitor — 4](https://best-deals.pro/i/4cJ05-XERDoIMW5sSVd7TBS7wE5wgUNq0HNopLpfPo04K_j-yEL79R8HiA5xF9Ryz5jKL5VKaUMqKEVY4llb6SWg2ezzjanswqvchF46965gzgoIFSgQEpLM.jpg)

![Wellue CH-S691L Tunnel-Cuff Blood Pressure Monitor — 5](https://best-deals.pro/i/sOUAOwl1iw4f6iN_nmAsWNjpdsS4tGCJLadP1V-PhS0oHdZJqDDLRuPyT5L7haBmkn5dGggHH62Tjk7WFlGW1b3O7wUFmD-ahIghyxj0lOW-pvjut-hmo2b9.jpg)

![Wellue CH-S691L Tunnel-Cuff Blood Pressure Monitor — 6](https://best-deals.pro/i/TADeobAtV-5jdr1JrAkBzVxfJ48dNcapcIpfre2ZN9apiBwq2zAP87VhdjSOC9n7ZaR5nUsmee_seVMpHyfj_A7ihjF_mx1lNqPrE3z6tojjA6jFWVD4pMTs.jpg)

![Wellue CH-S691L Tunnel-Cuff Blood Pressure Monitor — 7](https://best-deals.pro/i/vxCkMLw7MutwYIiD2tq8-qHsuMUVS2sqV7NrEJKT0blvvBh4efbUiZY2Bzf2vJJk68lG_LAQ1PijyTdS_RPRkfc65eUJthWvwXUKuPRr4zRuokrgrqsxso82.jpg)