Bluetooth scheme: V6.0, Bluetrum 5636H

Supported protocols: A2DP, AVRCP, HSP, HFP

Battery capacity of earbuds: 35mAh*2

Battery capacity of charging case: 500mAH 

Charging time: 2.5H

Talk time: 4H

Play time: 5H

Speaker: 10mm/32Ω

Speaker sensitivity: 100+/-3dB

Speaker impedance: 32Ω

ANC depth: -35dB

Input charging standard: DC 5V

Bluetooth operating frequency: 2,402-2,480MHz

Frequency response range: 20HZ-20KHz

Maximum transmission distance: 10M                                                                                                                

Waterproof rate: PX6

ANC depth: > -35dB

Interface: Type-C