Chipset: Pixart 1603
Support: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6
Bluetooth version: 5.0v
Speaker size:Φ12mm
Impedance: 32Ω ± 15%
Frequency range: 20Hz-20kHz
Effective range:up to 10 meters
Earbud battery capacity: 2*50mAh
Bluetooth work time: up to 4.5 hours
Standby time: 60 hours
Charging case battery capacity:350mAh
Earbud charging time:~1 hour
Charging case charging time: ~ 2hours
Input rating : DC5.0V
Sensitivity: 95+/-3dB
Work voltage: 3.7V
Microphone sensitivity: 43+/-3
Charging port: Type-C USB
MOQ per customized color 2000pcs