Features:
Bluetooth version: V5.0+EDR
Wireless frequency: 2.402GHZ-2.480GHZ
Supporting agreement: HFP1.7/A2DP1.3//AVRCP1.6/SPP1.2andPBAP1.2, BDR/BLE
Transmission distance: 10 meters
Earbud Capacity :100mAh
Charging Case Capacity:950mAh
Charging voltage / current: 5V / 1A
Play / talk time: about 10 hours
Charging time: about 1.5 hours
Standby time: 120 hours
Speaker impedance: φ8MM 32Ω
Microphone sensitivity: -42Db
Working temperature: -10-50 °C
Packing List:
1 x B1 Wireless Earbuds