Specification :

Bluetooth version: 5.3 (Jieli 6973D4)

Supported protocols: a2dp\avctp\avdtp\avrcp\hfp\spp\smp\att\gap\gatt\rfcomm\sdp\l2cap profile

Battery capacity of earbuds: 35mAh * 2 (with protective IC but protective plate)

Battery capacity of charging case: 300mAh (with protective plate) Diameter of drive units: 13mm

Charging time: about 1h

Talk time: 5h

Play time: 6h

Standby time: 300h

Sensitivity of horns: 115±3dB at 1KHz

Impedance of horns: 32Ω±15% at 1KHz

Sensitivity of microphone: – 38±1dB @1kHz 1Pa

Frequency response range: 20-20K Hz

Impedance: 200Ω Input standard voltage: DC 5V

Maximum transmission distance: 10m

Voice prompt: supported Multi-point connection: unsupported Wearing method: in-ear

User manual: Chinese and English

Interface: Type-C

Waterproof rate: IPX6

ENC depth of dual microphone: ＞- 35dB

Specification

Main Feature

Battery

Battery Capacity: 35mAh*2

Charging Case Battery Capacity: 300mAh

Duration

Talk Time: 7 hours

Music Time: 6 hours

Charging time: 1.5 Hours

Others

Waterproof Standard: IPX-6

Wireless delay time: 31-40 ms

Physical Specification

Connector

Bluetooth 5.3

Color

Black

Warranty

Warranty

No Warranty