Neckband Bone Conduction Bluetooth Stereo headphones 

Main features:

Using sound perception surrounding bone conduction technology designed to relieve distress ear headphones, the wearer is comfortable.
Bluetooth stereo headset, you can answer the phone and listen to  beautifulmusic,anti- moisture and anti-sweat dripping function.

Frequency Range: 20HZ ~ 20KHZ

Wearing style: Neckband

Duration: 6 hours

Output: Binaural

Charging time: 2 hours

Standby time: 10 days more than 5 days

Communication distance: 10 meters open space

Bluetooth version: 4.0 + EDR

Compatible Bluetooth profiles: A2DP, AVRCP, HSP, HFP

Speaker Sensitivity: 100 ± 3dB

Microphone Features: Dual microphone noise reduction

Microphone Sensitivity: -40dB ± 2dB

Weight: 41g

Product pictures: