Cable Length: 1.2m Jack Type: Type-C
Color: Black
Drive Unit: 10mm
Sensitivity: 92dB±3dB
Impedance: 16Ω
Drive-By-Wire: Yes
Frequency Response Range:20-20000HZ
Functions: Voice Call, Adjust Volume, Switch Songs
Sound Channel: Stereo
Net Weight: 21g

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

• Bluetooth Version: V5.0
• Play Modes: Bluetooth, AUX, USB Flash Disk
• Drive Units: 58mm 40
• Rated Output Power: 25W x2
• SNR: >90dB
• THD: <10%
• Frequency Response Range: 60Hz-20KHz
• Transmission Distance of Bluetooth: >10m

-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

• Mini Wireless Speaker
• Bluetooth V5.0
• TWS interconnection
• Waterproof IPX6
• Rope design
• Can pair 2 speaker at the same time
• Speaker specification: 45mm
• Calling power: RMS 5W
• Rated output power: 4W
• Charging voltage: 5V/1A
• Signal to noise ratio: > 80dB
• Distortion:≤10
• Frequency response range: 80hz-18.5kh
• Battery capacity: 800MAH /3.7V
• Low frequency radiator: 50 X 30mm
• Working hours: >6 hours
• Charging time: about 1.5 hours
• Bluetooth transmission distance:> 10m