# CMF BY NOTHING Clip Pro B189 Open-Ear Wireless Headphones, Coral

CMF BY NOTHING Clip Pro B189 are open-ear clip-on wireless headphones in Coral, with Bluetooth 5.4 and a claimed 10 hours of playback per charge. Customer feedback is positive about the design and smart dial but mixed on sound and fit, so fit comfort and sound preference are worth weighing before buying.

- [Original product page](https://bargainpostbox.co.uk/product/cmf-by-nothing-clip-pro-b189-open-ear-headphones-coral)
- [View offer](https://bargainpostbox.co.uk/visit/cmf-by-nothing-clip-pro-b189-open-ear-headphones-coral)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: CMF BY NOTHING
- Model: B189
- Category: Electronics > Headphones
- Price: 59.00 GBP
- Previous price: 79.00 GBP
- Discount: 25%
- Price checked: 2026-11-12T18:41:16.446Z
- Rating: 4 / 5
- Reviews: 93

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 with a three-point contact fit described by the manufacturer.
- Bluetooth 5.4 and claimed connection to two devices at once.
- Manufacturer claims up to 10 hours per charge and 32.5 hours total with the charging case.
- The listing describes an app with EQ customisation, spatial audio and anti-leakage options.

## Pros

- Open-ear clip-on construction may suit listeners who prefer not to use in-ear buds.
- Dual-device connectivity is listed, with the manufacturer describing switching between a phone and laptop.
- The claimed 10-hour single-charge playback and 32.5-hour total with the case may reduce the need for frequent charging.

## Specifications

### Identity
- Brand: CMF BY NOTHING
- Model: B189
- Colour: Coral
### Connectivity and controls
- Wireless connection listed: Wireless
- Bluetooth: Bluetooth
- Bluetooth version: 5.4
- Control methods listed: Touch
- Charging interface: USB Type C
- Headphone jack: Without Headphone Jack
### Power and battery
- Battery life listed: 10 Hours
- Battery charge time: 70 Minutes
### Dimensions and fit
- Form factor: Over Ear
- Ear placement: On Ear
- Earpiece shape: Hook
- Weight listed: 50.65 Grams
- Carrying case length: 26.69 Millimetres
- Carrying case width: 51.01 Millimetres
- Carrying case height: 52.1 Millimetres
- Carrying case weight: 38.81 Grams
### Audio
- Driver type: Dynamic Driver
- Driver size in details: 10.08 Millimetres
- Impedance: 16 Ohms
- Noise control listed: Sound Isolation
- Noise control features: AI Clear Voice Technology, Noise Reduction
### Materials and protection
- Water resistance listed: Water Resistant
- Enclosure material: Plastic Thermoplastic Elastomer \(TPE\)
- Carrying case material: Plastic
### Compatibility
- Compatible devices: Desktops, Laptops, Mobile phones, Tablets, VR Headset

## Before you buy

- The listing is inconsistent about the controls: details specify touch, while feature copy describes a Smart Dial and a physical button. It also gives a 10.08 mm driver size in details and 10.8 mm in feature copy, and describes sound isolation/noise reduction alongside an open-ear design. The listed single-charge battery life is 10 hours, while total playback with the case is claimed as 32.5 hours. Confirm which configuration and features apply to the selected listing before purchase.

## In the box

- User manual (Included)
- CMF Clip Pro headphones (Check selected pack): Named in manufacturer feature copy, while the explicit box-contents detail lists only a user manual.
- User Guide (Check selected pack): Named in manufacturer feature copy, while the explicit box-contents detail lists a user manual.
- How To Wear guide (Check selected pack): Named in manufacturer feature copy, while the explicit box-contents detail lists a user manual.

## A good fit for

- Listeners looking for clip-on open-ear headphones for everyday use, fitness or travel.
- Buyers who want claimed multipoint connectivity between a phone and laptop.

## Less suited to

- Anyone who needs a consistently sealed fit or strong passive isolation. The open-ear format and mixed customer feedback on fit may not suit that preference.
- Buyers who require a confirmed control layout or a settled driver specification without checking the listing.

## Customer feedback

Customer feedback describes the headphones as well designed and lightweight, and appreciates the smart dial. Sound quality and fit receive mixed reactions, including reports ranging from satisfying sound and a secure hold to underwhelming sound and slipping. For buyers choosing a clip-on open-ear design, those differing fit and sound impressions matter because comfort and perceived audio quality can vary; the listing's claimed lightweight construction does not settle how they will fit an individual ear.
- Positive themes: Customers describe the design positively and appreciate the lightweight feel.
- Positive themes: Customers mention the smart dial favourably.
- Mixed feedback: Customer feedback on sound quality is mixed.
- Mixed feedback: Reports differ on whether the earbuds stay securely in place and fit different ear sizes.

## Frequently asked questions

### How long does the battery last?
The details list 10 hours. Manufacturer feature copy claims up to 10 hours on one charge and 32.5 hours total with the charging case. Treat these as claims, not guaranteed runtime.
### Can the headphones connect to two devices?
The feature copy claims dual-device connectivity and describes switching between a phone and laptop.
### What controls do these headphones use?
The listing details say touch controls, but other product copy describes a Smart Dial and a physical button. Check the selected listing to confirm the controls.
### Are these suitable for exercise?
Fitness is among the stated uses, and the listing describes the headphones as water resistant. It gives no specific resistance rating, and customer feedback on secure fit is mixed.

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## Images

![CMF BY NOTHING Clip Pro B189 Open-Ear Wireless Headphones, Coral — 1](https://bargainpostbox.co.uk/i/xlTJKEJPUP92QbtF3vPdR_qGLceWofAXXzz1Nc_D2GbwO6cM33n8oKGpKIMwwrwHr2WWBA-9Sk7PMZeswIML0T2Z68SVzO0VGIgVwhzDMhuMeio92eOP_Yqt.jpg)

![CMF BY NOTHING Clip Pro B189 Open-Ear Wireless Headphones, Coral — 2](https://bargainpostbox.co.uk/i/YIrwiwp0hjmWHfknE_BIHaDVSn7iYxduMX6grm-RsNJF-YhL2L301tLkNsrGhC3XIEAXXI4BuxW-zvMcGuPIYrw0pU_madpxY-W2Wzg6M-CbVOwXQp4AATR_.jpg)

![CMF BY NOTHING Clip Pro B189 Open-Ear Wireless Headphones, Coral — 3](https://bargainpostbox.co.uk/i/O5TKknNjQCS-vyXTCS46NvzbsH1q3kib1707g1Ykx8eJn-Kl_KsLe2uKlHhQu-epudvk9xnaTID8YYHuSI31anO6NERs8ygCisrr-Pye2C0YzUFxjVR8Htsa.jpg)

![CMF BY NOTHING Clip Pro B189 Open-Ear Wireless Headphones, Coral — 4](https://bargainpostbox.co.uk/i/bTIOihyEu7gBxCoyL1iJWSSOSzp4s9ag2MIQ4zVRxjRBiMn7HygaXZDRpDMq1UXopQ5_LhYM-hXMGJbjS-z2oHsjUibXn-aa0Ts9WfxQ52bKzxBpehKOuV2O.jpg)

![CMF BY NOTHING Clip Pro B189 Open-Ear Wireless Headphones, Coral — 5](https://bargainpostbox.co.uk/i/LdWTDpIOr7Tv0nGA_aJlt50rAJCwshBSbSSea4qPMeX9ELbX6cbXaheDgXTgKoAVYjt73LqTXpCy7Tfk23kK_otq43oF9AZhgrY8YzvdAoXtQ4H6RsO-Zttj.jpg)

![CMF BY NOTHING Clip Pro B189 Open-Ear Wireless Headphones, Coral — 6](https://bargainpostbox.co.uk/i/CjZd0QTBtsAZzXzCih_PMCrf91ecjiMTZd__sPGxoyEjFARXdtlUFRsKHDOP69B5O8KUMaz7TMxZyxx_B1FlNEEY29S2IlQwkB2Jhgl3GuHiyfG33q4rBUhz.jpg)

![CMF BY NOTHING Clip Pro B189 Open-Ear Wireless Headphones, Coral — 7](https://bargainpostbox.co.uk/i/AVxdJpxqjrdIEsxsNMEP3IkQ8BI6UErWrN1d1mdXkaYnZUcoCc7JpwN7ptvvv619Tozyz7Hl3Jdm0XWuSSSkVs0w8NmjiIE0fwG3JnydQRb36ReqrUqLnnIa.jpg)