Features:
Phone and music automatic conversion, next/last music selection, play/pause.
Stereo fine quality listen to music, shock bass effect, clear call.
Support 1-to-2 function, call rejection function.
Support operation voice (Chinese/English) prompt function.
Large b-attery capacity, low p-ower consumption, long life.
Compatible with IOS system p-ower display.
Intelligent noise reduction high version CVC6.0.
As long as the device with BT function can be used, there is no built-in BT computer need to use with BT adapter.
Specifications:
Item type: Headset
BT version: CSR4.1
Driver element: 10mm
Color: Black, red, yellow, blue(optional) 
B-attery capacity: 130mAh
Charg-ing time: 2h
Call duration: Approx. 10h
Music time: Approx. 8h
Support agreement: HSP/HFP/A2DP/AVRCP/APT-
Input charg-ing standard: DC5V 300Ma
BT operating frequency: 2.400GH-z-2.480GH-z
Optimum call distance: ＜1M
Maximum transmission distance: 10M
NFC: Support
Voice prompt: Support
Multipoint connection: Support
Package weight: 206g/7.26ounces
Package size: 160*100*30mm/6.29*3.93*1.18inches
Package list:
1 * Pair of earphone
1 * USB cable 
1 * Manual
3 * Pair of earplugs