– Bluetooth version: 5.0
– Transmission range: 10m
– Supported profiles: HSP, HFP, A2DP, AVRCP
– Earbud battery capacity: 45mAh
– Charging case battery capacity: 390mAh
– Music time: 4h
– Charging time: 1.5h
– Standby time: 300h

-Model number: A770BL
– Bluetooth version: 5.0
– Battery capacity: 250mAh
– Standby time: up to 25h
– Talking time: up to 10h
– Playing time: up to 13h
– Charging time: 1h
– Transmission distance: up to 10m
– Frequency response: 20-20kHz
– Connectivity: Bluetooth, 3,5mm aux-in

Plug Size: 3.5mm
Speaker Size: 11.5mm
Sensitivity: 110dB ± 3dB
Impedance: 16ohms ± 15%
Frequency: 20-20,000Hz
Net Weight: 33g/ 1.16oz
Cable Length: 126cm/ 49.61in

Bluetooth Version: 5.2

Supported Protocols: HSP, HFP, A2DP, AVRCP

Battery Capacity of Single Earbud: 45mAh Battery

Capacity of Charging Case: 650mAh

Standby Time: 300h

Color: Black

Best Transmission Distance ＜1M Maximum

Transmission Distance: 10M

Voice Prompt: Support

Impedance: 32Ω Sensitivity: 114dB

Noise Reduction Depth: 23dB±2

Bluetooth Frequency: 2.402G-2.480G

Multipoint Connection: Nonsupport

Wearing Style: In-Ear

★Charging Time: 1H

★Talk Time: 8H

★Play Time: 7H

★Standby Time: 300H

Brand Name : Awei

Communication : bluetooth

Speaker Type : Portable

Power Source : Battery

Channels : 2 (2.0)

Output Power : 3W

Bluetooth Version : 5.0

Playback Function : Other

Total Harmonic Distortion : 1%

Built-in Microphone : Yes

PMPO : 3W

Frequency Range : 20Hz-20KHz