Optoma NuForce BE Sport4 - In Ear Bluetooth Headphones

The ultimate Fitness accessory
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Bulding on the success of the BE Sport 3, Optoma Nuforce have released their flagship in-ear sports headphone, the BE Sport4. 

With a 15min fast charge, Sweat and Water resistant (IPX5 rated) and APT-X Bluetooth, these are the ultimate fitness headphone for any active lifestyle. Available in Black or Silver and with plenty of colourful options and different size ear buds for finding the perfect fit, there isn't a combination that won't suit your workout. 

Here's what Optoma say:

Wireless Bluetooth in-ear headphones for sports

Stay motivated when you're pushing yourself to the limits with the BE Sport4 Bluetooth in-ear headphones. The lightweight, durable design and custom ear tips keep them securely in place no matter how vigorous your workout – without the distraction of wires. In addition, wireless means a future fit to smartphones that don’t include an audio jack.

Sweat and water resistant - IPX5

Resistant against rain and sweat make these IPX5 in-ear headphones ideal for any active life style.

Wireless Freedom

Free yourself from cables with advanced Bluetooth® technology. This means easy connection to your smartphone and distortion-free listening at any volume. And with a 10 metre (33ft) range you can even leave your smartphone on the floor or in your pocket whilst you focus on your workout.

Graphene coated drivers

Compared to traditional drivers, graphene coated drivers are lighter, are more precise and have excellent conductivity which the requires less power to drive. This means that no matter what genre of music you listening to, the bass, mids and high tones are clearly defined with low distortion.


Supported by the latest Android and Windows smartphones and PCs, aptX allows you to listen to CD-quality music wirelessly in much higher quality than offered from the standard Bluetooth codec.


Hear every detail when playing music from Apple devices and other sources such as YouTube, DAB radio and streaming services.

Quick Charge

Enjoy up to two hours of continuous listening with a 15 minute charge.

Non-stop music and calls

Enjoy continuous uninterrupted audio and phone calls throughout the day on a single charge with an impressive battery life.

Maximum comfort and perfect fit

With stylish and robust enclosures, these ergonomically designed earbuds feature an angled nozzle, a built in magnet, wrap-around neckband and come with multiple ear tips in a range sizes to ensure a comfortable and secure fit.

SpinFit TwinBlade® ear tips

The newly patented ear tips are developed from high quality silicone. They are uniquely designed with twin blades to keep the earbuds securely in place during strenuous activity. As well as being able to rotate 360 degrees at the centre to allow the earbuds to sit comfortably in your ear.

Wings tips

Supplied with specially designed wing tips to lock the earbuds in securely in your ear and stop them from falling out during strenuous activity.

In line remote with built in mic

Equipped with an in-line remote control with a built in mic, you can adjust the volume, play, pause and switch tracks, activate Siri or Google Voice and answer calls.


Cable length 580mm
Impedance 32Ohm
Microphone sensitivity -42dB +/-3dB
Frequency response 20Hz - 20kHz
Sensitivity 92dB +/-3dB at 1KHz
Volume control Inline
Driver type 6mm
Number of drivers 2
Battery life Up to 10
Charge time 15min quick charge for 2 hours listening, 1.5 hours full charge

Wireless info

Wireless - range 10m
Wireless - operating frequency 2.4GHz
Wireless type Bluetooth v4.1

Weight and dimensions

Net weight 0.015kg
Cable length 580mm

What's in the box

In the box - 3* pairs of silicon ear tips (S/M/L) - 9* pairs of ear wings in three colours (S/M/L) - 1* pair of TwinBlade ear tips - Carry pouch - Cable management clip - mini USB to USB charging cable - Basic user manual - Safety instruction