Smallest mini bluetooth earphone stereo noise cancel earphone

1.Athlete Bluetooth Stereo Earphone
2.Ultralight design quick start 
3.Ultra-low power consumption, Enhance audio
4.Compatible with all kinds of digital products on the market
5.Built-in MIC
6.Pair up to 2 Bluetooth devices
Function:
Accept/Finish/Reject/Transfer Call, call waiting, recall, sound off, Volume +/-, multipoint connecting, Music pause/play, Noise reduction, Pre/Next song switch, photograph control

Specifications:

Bluetooth version: V4.1                        Chipset: CSR chipset
Frequency range: 2.4GHz-2.48GHz                         
Operating distance: Up to 10m 
Size:12mm*12mm*12mm               Weight: 4g
Standby time: Up to 180hrs
Working time:3-5 hours
Charging time: 1 hour
Frequency response: 20Hz-20kHz
Noise reduction: CVC6.0