Bluetooth Chip: Jelly 6983D4 Ultra Low Power Consumption
Bluetooth version: 5.3
Supported protocols: HSP/HFP/A2DP/AVRCP
Charging Interface: Type-C
Input Current: DC 5V
Output Current: 3.7V/40mAh
Speaker: High-quality titanium film moving coil
Frequency range: 20Hz-20000Hz
Headphone Battery: 35mAh *2
Charging case battery capacity: polymer 300mAh with protective plate
Music playback: 5 hours for single playback, 20 hours with charging case
Talking time: 4-5 hours
Charging time: 60 minutes
Wireless operation range: ≤1.5M (no obstacles)