# Monster Open Ear AC221 E103 Clip-On Wireless Earbuds

Monster Open Ear AC221 E103 are clip-on true wireless earbuds with an open-ear fit, touch controls, and Bluetooth connectivity. The listing claims up to 8 hours per charge and 30 additional hours from the case, but the model identifier and some battery wording should be checked against the selected listing before purchase.

- [Original product page](https://best-deals.pro/product/monster-open-ear-ac221-e103-clip-on-wireless-earbuds)
- [View offer](https://best-deals.pro/visit/monster-open-ear-ac221-e103-clip-on-wireless-earbuds)
- Market: US
- Language: en-US
- Currency: USD
- Brand: Monster
- Model: E103
- Category: Electronics > Headphones
- Price: 31.99 USD
- Previous price: 142.99 USD
- Discount: 78%
- Price checked: 2026-11-14T06:23:37.907Z
- Rating: 5 / 5
- Reviews: 2

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

- Clip-on open-ear design is positioned for a fit that does not seal the ear canal.
- The listing claims Bluetooth 6.0 and touch controls.
- Battery claims specify up to 8 hours per charge and an additional 30 hours from the charging case.
- The title and feature text claim IPX6, while the details field describes water resistance more generally.

## Pros

- Open-ear placement may suit listeners who prefer not to use in-ear tips.
- True wireless construction and touch control avoid a wired connection for playback and basic controls.
- The claimed battery breakdown separates earbud use from the extra case capacity.

## Cons

- The open-ear design does not provide the sealed fit of conventional in-ear earbuds, which may not suit listeners seeking passive isolation.

## Specifications

### Identity
- Brand: Monster
- Model: E103
- Color: E103 White
- Ear placement: Open Ear
- Form factor: True Wireless
### Connectivity and controls
- Wireless connection listed: Bluetooth
- Bluetooth version: 6
- Control methods listed: Touch
- Charging interface: USB Type C
- Headphone jack: No Jack
### Battery and protection
- Earbud playback claim: up to 8 hours on a single charge
- Additional charging-case playback claim: an additional 30 hours from the compact charging case
- Water resistance listed: Water Resistant
- Water-resistance rating claimed in title and feature text: IPX6
### Physical details
- Weight claim: 4 grams
### Package details
- Manufacturer-listed contents: Cable, Monster Open Ear AC221 Earbuds x1, User Manual

## Before you buy

- Battery wording is inconsistent: the title says 30 hours of playback, while the feature text claims up to 8 hours per charge plus 30 additional hours from the case. The title names AC221, but the model fields give E103. The title and feature text claim IPX6, while the technical details only say Water Resistant. Confirm which model and listing details apply before buying.

## In the box

- Cable (Included)
- Monster Open Ear AC221 Earbuds x1 (Included)
- User manual (Included)

## A good fit for

- Listeners who want clip-on, open-ear true wireless earbuds rather than sealed in-ear buds.
- People who prefer touch controls and USB Type-C charging, as listed.
- Buyers considering use for exercise who want to review the listing's water-resistance claim and battery conditions.

## Less suited to

- Listeners who need a sealed earbud fit or passive isolation.
- Buyers who require a confirmed, unambiguous model number, battery total, or water-resistance specification without checking the selected listing.

## Customer feedback

The supplied evidence contains only a small aggregate rating sample and no customer comments. That limited rating information cannot establish particular strengths, concerns, or performance outcomes, so it offers little basis for comparing comfort, calls, or battery life.

## Frequently asked questions

### What battery life does the listing claim?
The feature text claims up to 8 hours on one charge and an additional 30 hours from the charging case. The title's 30-hour playback wording is less specific, so confirm the claim for the exact listing.
### Are these earbuds open-ear or in-ear?
They are listed as open-ear, with a clip-on design, rather than sealed in-ear earbuds.
### What is the water-resistance rating?
The title and feature text claim IPX6, while the specification field says only Water Resistant. Treat the rating as a listing claim and check the selected product details.
### Which model is this?
The title names AC221, while the model fields identify E103. The listing does not clearly reconcile those identifiers.

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## Images

![Monster Open Ear AC221 E103 Clip-On Wireless Earbuds — 1](https://best-deals.pro/i/jTY8csEtWEZPqTOTrOrgjzBDwNOuxY-ettnOncwmXAaeZUlyPE-aGmfzIK0vu6zhPDd17JBb5ngsBcEBie27himNg00K7uIVKzWXNvgrAX48fctV6ZLUTwEQ.jpg)

![Monster Open Ear AC221 E103 Clip-On Wireless Earbuds — 2](https://best-deals.pro/i/l-a6xPVtHKO52HtyLLuFE6U2bfYgB6inI5eiR6bLzZZ-Qp_ussWZHuyaES_oXfTAptO2i488gPkBD3QRDTtEbHT0sq98cEh9OZ3y30m4oopOXK6--bzrShNQ.jpg)

![Monster Open Ear AC221 E103 Clip-On Wireless Earbuds — 3](https://best-deals.pro/i/V-WV3bwSxrEvQ6vFQNQFRoEIX0ck6WQxIEQqUq5Ba8OZJDfn4oFKi2vjJYfjfvh5TPJe3-BObI518-DCUAzLJccefTkCV8BmIVlM3fsTYEK0UWBOpmGhTQuJ.jpg)

![Monster Open Ear AC221 E103 Clip-On Wireless Earbuds — 4](https://best-deals.pro/i/W8g8LKa8jTGa0Q5s0zGN6WA7OJxERe-g2XLAhCMPDBwv90AS5lQhUYFSI4d4vQh8EfnngRnnwg6ZNCBWy2R345jCWRMxBUl7_5lXwdquUCoTY4i83NM0ZjFE.jpg)

![Monster Open Ear AC221 E103 Clip-On Wireless Earbuds — 5](https://best-deals.pro/i/h9H0GnhHskdhBjrUp_ogqfEKkPQTniJosWfX7VJRyOiCwoEzVKupPIuNJK72mR6GvdneM-OBK6Idf6rLoUy2UlDSE9I_stBcEG2G5nypQoXCIYw51TlP09VZ.jpg)

![Monster Open Ear AC221 E103 Clip-On Wireless Earbuds — 6](https://best-deals.pro/i/Cjbo5-I7iht6Cr7vrm7paEIWc7aCksFbh8EGWogxKO9K5MjgyD2miDfIlQz4cPbFaKXrPQ2HzqC9XekAsLFDEExqowmidnUdN9Ug3zR5qb2BI5BH66WJ-SDi.jpg)

![Monster Open Ear AC221 E103 Clip-On Wireless Earbuds — 7](https://best-deals.pro/i/ByZzjscOZ3cslFCgusMvPbDxhKIEqJV7Nb_pRbuFetKHzYjbJ1s6t-tofRiIgAfQ6pVsWua3eIMG92NOzuwT-709R7p2ic8xAZP52tFpQw7-8cE6MPIdClqV.jpg)