Audio
BT881
Silicone Halterneck Wireless Sports Semi-In-Ear Headset
Bluetooth Version: V5.3
Frequency response: 20Hz~20kHz
Transmission distance: ≤10M
Battery capacity: 170mAh
Charging interface: Type-C
Charging voltage: 5V
Charging time: about 1.5 hours
Play time: about 18 hours (80% volume)
Talk time: about 16 hours (80% volume)
Speaker material: copper ring speaker
Frequency response range: 100Hz-10kHz
Headphone sensitivity: 110dB ± 3dB
Microphone sensitivity: -42dB±3dB@1KHz
Speaker: Φ14.2mm
