New Conduction Audifonos Bluetooth Stereo Headset Wireless Auriculares Sports Headphones Smart Earphone Windsear Bone 

Features:
Bone conduction technology delivers sound through cheekbones.
U shape design provides unmatched situational awareness and eliminates ear fatigue.
Nanotechnology coating and watertight rubber gaskets repel sweat and moisture.
Five hours of music + calls.
Premium Pitch guarantees the finest bone conduction audio.
EQ presets conveniently boost bass and reduce vibration on the go.
Dual noise canceling microphones exclude surrounding noise, effectively enhancing speech.
Beautiful voice prompts guide users through power, pair, play and talk.

Specifications:
Item: Bone Conduction Wireless Bluetooth Headset
Brand: Fineblue
Material: Plastic
Color: Black, White (Optional)
Bluetooth IC: CSR8635
Speaker Type: Bone conduction technology speaker, 1W dual speaker
Battery: 230mAh Polymer battery
Mic: Anti interference microphones, 50DB
Play time: 5h
Standby time: 10days
Effective range: 10m
Mono/Stereo: Stereo
Bluetooth Version: 4.0
Bluetooth Class(1/II): II
BQB included(Y/N): No
Bluetooth Profile: a2dp/HFP, HSP, AVRCP, GAVDP, AVDTP
Receiving  Sensitivity: 88dBm
FM: No
Charging: MIC USB port and need 2h
TF card: No
System language: No