Announcement
1.wireless Specification: CSR 4.0 ,without Card function, without FM
2.Battery Model: Lithium polymer battery 55mAH
3.Music Playback/Talk Time: 4-6 hours
4.Charging Time: 1-2hours
5.Standby Time: 80hours
6. Speaker Diameter: 10mm
7. Frequency Response: 20-20,000Hz