GGbond waterproof Bluetooth speaker

Description

 Compliance: Bluetooth V2.1+EDR

Operation distance: ≤10M
Output power:3W  
Operation frequency: 24HZ-2.48KHZ
Impedance:4Ω 
Receiving Sensitivity(TYP):-80dBm 
Audio signal -noise ratio(SNR):>80dB 
USB charging voltage :DC 5V
Working voltage:3.7V
Built-in Power: Rechargeable 300mAh lithium-ion battery
Working: more than 2 hours (60%)
Audio input: Bluetooth & LINE-IN & TF card
Waterproof lever: IPX5