Bluetooth Version: Jerry Bluetooth V5.0
Transmission distance: 10 m                                                                                                                                                           Usage time: 4 hours                                                       
Standby time: Automatic shutdown after 5-8 minutes                                                      
Battery: 100mAh rechargeable lithium battery  

Functions: adjust volume, switch songs, call answer, call reject, hang up, Bluetooth playback, phone replay, Bluetooth connection, voice prompt, power display, incoming telegram number, smart shutdown, pure English broadcast

Net weight: 18.4g
Packing weight: 98.9g
Packing box size: 15*11.9*4cm
Packing net weight: 16KG
Gross packing weight: 19.5KG
Packing size: 53.5*43*39CM
Packing quantity :160PCS/CTN
Full set of accessories including: USB charging cable in Both Chinese and English instruction neutral color box, wire buckle, clip, transparent silica gel
Color: green, yellow, red, blue