Specification
Driver size: 6mm
Driver sensitivity at 1 kHz/ 1 mW: 98 ± 2dB
Frequency response: 50h z-20 Khz
Maximum input: 5mW
Impedance: 16Ω ± 15%
Bluetooth version: 5.0
Wireless effective distance: Up to 15m
Battery Type: Lithium-Ion battery (40mA/3.7V)
Charging time: <1 hour from Empty
Music playtime from bluetooth: Up to 7 hours @50% volume
6 hours playback for earbuds + 15 hours for battery case