Specifications:

Bluetooth version: 5.3

Chip model: ATS3015

Control protocol: AVRCP

Call protocol: HFP

Communication protocol: BLE/SPP

Audio coding: SBC, AAC

Noise reduction type: CVC

Communication distance: About 10M

Battery type: Polymer lithium-ion battery 3.6V/60mAh

Charging current: 40mAh

Charging time: About 2.5H

Standby time: About 12H 

Default battery life: About 6H

Sound component: Moving coil unit

Unit impedance: 16Q

Unit frequency: 20-20KHZ

Unit sensitivity: 98 dB

Unit distortion:≤5%

Single net weight: About 0.33g

Charging bay specifications:

Battery type: Polymer lithium-ion battery 250mAh

Charging current: 300mA

Charging time: About 1.5H

Charging interface: USB Type-C

Net weight of the whole machine: About 50g (charging bay + earphones)