Bluetooth Speaker / wireless audio transmission

2.With phone handsfree.

3.Frequency:2.402-2.480GHz

4.Distance:10meters

5.Data transmission:Up to 3Mbps(over the air)

6.Charging Voltage:3.7V –4.2V DC

7.Working Voltage:4.8V –5.5V DC

8.Working Current:200MA

9.Battery Capcity:600MAH

10.Build in antenna

 11.Bluetooth speakers,Power on/off control

12. Max power output:4W

13. Portable Bluetooth Mini-boom 3.5mm Bass Mini Speaker, Suitable for notebook laptop.