*Frequency Response Range：2.402  ~ 2.480GHz

*Bluetooth Version： V5.3

*Bluetooth Profiles： HSP,HFP,AVRCP,A2DP

*FM frequency: 87.5~108.00MHz

*Charging Time: 2-3 hours

*Standby Time:1000 hours

*Music Playing time: About 10-15 hours

*Talking Time: About 10-15 hours

*Operation Distance: 20 meters

*Battery: 400mah Li-PO Battery,with protection plate

*Speaker:40mm driver

*Packing: 40pcs/CTN/13kg/ 60*38*48cm