Bluetooth Version: 5.2
Battery Type: Lithium
Headphone battery capacity: 300 mAh
Operating time (calls/music): 10 hours
Battery charging time: 2.5 hours
Speaker size: Ø40 mm
Frequency range: 20-20000 Hz
Impedance: 32 Ω ± 15%
Input: Type-C
Colour:black