Specifications:
1.  Bluetooth Version: V4.0, Chipset: CSR
2.  Support Profile: HSP V1.2,HFP V1.6,A2DP  V1.2,AVRCP V1.4
3.  Transmission distance: 10M
4.  Frequency Response: 20Hz-20KHZ
5.  Build-in speaker mic
6. PC port support: USB2.0
7. Support music format: MP3/WMA
8. Support TF card: 128MB-32GB.
9. Build-in speaker mic;
Features:
1. Allow 2 Bluetooth devices connected simultaneously
2,Integrated Bluetooth technology with MP3 music, Allow you to convert Music and Phone calling freely
3,Support external TF card, can play music from TF card directly.
4,Support Bluetooth stereo device entirely to receive A2DP stereo music.
5,LINE-IN available, which can be used to listen music by connecting to PC;
6,Built-in rechargeable lithiumbattery 200mAH.