HOPESTAR H20 Portable Wireless Bluetooth Speaker 30W Waterproof Speaker with Power Bank Function - Black

• Strong welding sound quality, super bass 

• Automatically search for Bluetooth, 10M and below receiving distance 

• Support MP3, WMA format music files 

• Support TF card, Bluetooth with call, file playback 

• Support external MP3 / MP4 / computer and other audio input function (AUX) 

• With mobile power bank function, support phone charging

• High-end low-frequency configuration with a high real shock wave 

• Innovative rugby shape, unique and stylish

• Using newest environmental waterproof and dustproof cloth net technics

Specification:

• Model: H20

• Input Sensitivity: 400mV 

• Resolution: 90dB 

• Signal to Noise Ratio: 80dB 

• Operating Voltage: DC 7.4V 

• Battery Capacity: 6000MAH

• Battery working time: 6H 

• Total power: 8W*2+15W=31W 

• Subwoofer size: 3.5 inches 15W*1

• Tweeter size: 52mm * 2 

• Built-in subwoofer: 70mm * 2