Bluetooth version V4.1

Stand by time 96 hours

Talk time 4 hours

Charge time 1 hour.

-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

– Bluetooth version: v5.0
– Frequency range: 20-20000Hz
– Max. battery life: 3.5h
– Battery capacity: 300mAh (charging case); 40mAh (per earphone)
– Water resistance rating: IPX4
– Dimensions: 7.50 x 3.00 x 4.00cm

Impedance: 16 ohm
Sensitivity: 90dB
Cable length: 1.2m

1. Bluetooth version 5.0, Jerry solution
2. LED digital display, fast charging
3. TWS binaural mode, automatic matching and interconnection
4. Charging compartment battery: 500mAh/3.7V, earplug battery: 45mAh/3.7V
5. 4 hours of talk time, 3.5 hours of music playback, 2 hours of charging time, 300 hours of standby time
6. 10 meters transmission distance, portable storage, not easy to lose

Wireless version: V5.0

Working distance: Up to 10m

Impedance: 32Ω±15%

Driver: 40mm

Frequency: 2.4GHz-2.4835Ghz

Battery: 300mAh, Rechargeable

Talking/play time: About 15 hours

Standby time: Up to 100 hours

Non-replaceable lithium ion-polymer

Power requirement: DC 5V 1A