New and Good Sell Wireless Bluetooth 5.0 Headphone Sport Spray Rubber Oil with Multi-Color Product Information :
Transmission distance: 10 meters Use time: 3-4 hours
Standby time: 250 hours
Battery: 150mAh rechargeable lithium battery
Functions: adjust volume, switch songs, answer calls, reject calls, hang up calls, Bluetooth playback, hands-free calls, call replay, Bluetooth connection, voice prompts, battery display, FM, TF, EQ, pure English broadcast