Product name: Wireless Bluetooth earphones

Bluetooth chip: version 5.0

Standby time: 40 hours

Bluetooth reception distance: 10 meters

Battery capacity: 200MAH

Product size: 18 * 10 * 8cm

Charging duration: 2 hours

Color: Grey, Red, Blue, Green, Black

Transmission frequency: 2402MHZ-2480MHZ

Usage mode: Bluetooth/FM and call function