Bluetooth version: 5.3
Chipset: JL6973
Battery type: lithium
Supported BT profiles:
A2DP, AVRCP, HSP, HFP, AAC, SBC
Case battery capacity: 300 mAh
Headphone battery capacity: 30 mAh
Operating time (calls/music): 3-4 hours
Battery charging time: 1.5 hours
Speaker size: Ø10 mm
Frequency range: 20-20000 Hz
Resistance: 32 Ω ± 15%
Input: Type-C