Features:
Can talk, listening to music
Built-in DSP audio processing system, can be a very good eliminate Noise and echo, to ensure clear communication, and music.
2 in a row, to the telegraph, voice prompt operation.
Small and light, stealth design.

Specification:
Bluetooth version: V4.1 + EDR
Bluetooth profiles:Hands free / Headset
Radio frequency:2.402-2.480GHz
Transmission power: Class2
Support A2DP: music playback (audio output: 35mW, Play / Pause)
Transmission range:10 m
Charging Power:AC input 110-240V DC output 5V (charging time / about 2 hours / charging voltage 3.7v)
Approximately 2-4 hours talk time (music playback 1-3 hours / standby time 72-120 hours / working current <15mA)
Intelligent voice prompts prompted the state of equipment / to cable
Noise MIC:special top silicon Marks
Wearing styles:Ear / Stealth headphones patented product
Battery type:50mA rechargeable lithium battery
Dimensions: 3cm X 1.7 cm X 1.2cm /1.19"X0.67"X0.48"
Color:Black,White,Gold,Blue,Pink