• Super long battery life: 5 hours of single playback, 20 hours of use with the charging case
• Perfect sound quality: 13mm composite film large speaker, PU soft-sided diaphragm bass is more elastic and has deeper dive, PEK rigid dome, the vocals are brighter and the treble is clearer, focusing on pop music
• Lithium battery protection: Both the earphones and charging case have built-in intelligent lithium battery protection chips, making them safer to use
• Voltage resistance protection: Built-in 30V voltage resistance chip, compatible with fast charging adapter

Specification:

• Bluetooth-compatible version: V5.1
• Bluetooth-compatible chip: JL 6973
• Frequency range: 2.4-2.48GHz
• Transmission distance: Up to 10m
• Frequency response: 20-20kHz
• Working hours: 5 hours
• Speaker diameter: 13mm
• Battery capacity: 30mAh/side * 2
• Charging box capacity: 300mAh
• Charging times: 3 times
• Charging port: TYPE-C