Havit Wireless Earbuds TW981

Chip: AD6973D4
Bluetooth Version: V5.3
Earbuds Battery: 30mAh*2
Charging Case Battery: 300mAh
Play Time: 4H(60% Vol.)
Talk Time: 3.5H(60% Vol.)
Buds Charging Time: ≤1H
Case Charging Time: ≤2H
USB Port: Type-C
Charging Case Dimension: 47*46.1*21mm
Buds Dimension: 36.4*17.5*18mm
Buds Net Weight: 3.68g*2
Wireless Working Range: 10M (without obstacles)
Profiles Supported: a2dp\avctp\avdtp\avrcp\hfp\spp\smp\att\gap\gatt\rfcomm\sdp\l2cap
Audio code: AAC/SBC
Speaker Size: Φ13mm*2
Speaker Frequency: 20Hz~20KHz
Sensitivity: 113±3dB
Impedance: 32Ω±15％ @ 1000Hz
Input Voltage / Current: DC 5V/500mA