Active noise cancelling&dual microphone
IPX5 waterproof
Chip:BES2300IZ
Bluetooth Version：V5.0
Earbud Battery: 50mAh*2
Charging case battery: 500mAh
Play time: 5H(BT), 4.5H(ANC+BT)
Talk time: 6H
Charging time: about 1.5H
ANC db:23DB+±3DB

Charging case dimension:63mm*45mm*30mm
Earbud dimensions: 21*21mm*30mm Net weight:4.8g*2(Earbuds)/28g(Charging case)
Wireless working range:10M (without obstacles )
Speaker: Φ8MM dynamic
Speaker sensitivity:98±3dB
Profiles supported:HFP, AVRCP, A2DP
Impedance:16 ± 15% Ohm at 1000Hz. 126MV
Speaker frequency: 20Hz～20KHz
Input voltage / current: DC 5V/1A