Bluetooth version: jerry Bluetooth V5.0
Transmission distance: 10 m                                                                                                                                                           Usage time: 4 hours                                                       
Standby time: 5-8 minutes automatic shutdown                                                      
Battery: 100mAh rechargeable lithium battery  

Functions: adjust the volume, switch the song, answer the call, reject the call, hang up the phone, bluetooth play, call replay, bluetooth connection, voice prompt, power display, incoming telegram number, intelligent shutdown, pure English broadcast

Net weight: 18.4g
Packing weight: 98.9g
Box size: 15*11.9*4cm
Packing net weight: 16KG
Gross weight of packing: 19.5kg
Packing size: 53.5*43*39CM
Packing quantity :160PCS/CTN