Specification:

Waterproof: IPX5
Bluetooth Version: 5.0
Charging case dimension: 77.1X61.3X38.5mm
Earbud dimensions: 22.8X17.8X26.3mm*2
Net weight: 5.3g*2(Earbuds)/98g(Charging case)
Wireless working range: 10M (without obstacles)
Speaker: Φ6mm*2
Speaker sensitivity: 90±3dB 1kHz/1mW
Profiles supported: HFP,HSP,A2DP, AVRCP AAC,TWS
Impedance: 16Ω±15% 1kHz
Mic sensitivity: -42 ±3dB
Speaker frequency: 100Hz～10KHz
Input voltage / current: DC 5V/1A
Earbud Battery: 60mAh*2(Fully charged in 1.5H)
Charging case battery: 2200mAh
Play time: 3.5H
Talk time: 4-5H
Standby time: 180H
Charging time: 3H