Bluetooth 5.2 Headset Neckband Waterproof USB Black

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Description:

K31 Wireless Over Ear Headphones: The memory titanium metal can be adjusted independently according to the size of different head shapes, and the shape can be twisted and bent arbitrarily, and it can also be restored like before, conveniently storage.About 40g, light and comfortable to wear for a long time.
Stereo Ear Hook Headset: Bluetooth 5.0,high fidelity transmission stable and fast,DSP noise reduction technology and sensitive microphones can identify human voices and ambient sounds with low distortion. Deep noise reduction for HD calls.
Intelligent Operation: Easy to control, tap the button on headset to realize music, call, and other operations.Maximum support for 32G memory card MP3 playback, no need to connect a mobile phone, plug and listen.
Business Headphone: The rear mounted design,more firmer ,specially for sports,running, cycling, traveling ect. Surface waterproof coating, sweatproof and waterproof
Super Long Standby: 320mAh large capacity ,full charge in 3 hours, music playing time about 15 hours.

Specification:

Bluetooth version: 5.0
Transmitting distance: