Bluetooth version: jerry Bluetooth V4.2
Transmission distance: 10 m                                                                               Usage time: 4 hours                            
Standby time: automatic shutdown for 5-8 minutes                                                  
Battery: 200mAh rechargeable lithium battery                                            
Functions: to adjust the volume, switch songs, answer calls, reject calls, hang up the phone, bluetooth play, telephone replay, bluetooth back to even, voice prompt, power display, FM, TF, EQ, pure English broadcast.

Packing box size: 15.5*7.5*19CM
Net packing weight: 15.2KG
Gross packing weight: 19KG
Packing size: 67.5*39.5*67.5cm
Packing quantity :60PCS/CTN