Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

1， the bluetooth version: V3.0 V2.1 + EDR compatibility， V2.1， V1.12， the chipset: CSR61453， the transmission power: Class24， the transmission frequency: 2.4 GHz5， transmission distance， more than 10 meters6， and the talking time: 4 ~ 6 hours7， the standby time: 120 hours8， support the file format: A2DP music playback， headphones and hands-free modeProduct features1， fashionable and generous2， support all bluetooth devices and mobile phones3， at the same time connect 2 mobile phone4， A2DP， support the music play5， the volume + - key， volume6， support single ear models and extended headphones7， imported chip， high quality8， then hang up， refused to telephone， code at the end of the callback