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Description
HOPESTAR A21 Portable Wireless Bluetooth Speaker Waterproof Loudspeaker Music Subwoofer Support TF Card FM
Strong welding sound quality, super bass
Automatically search for Bluetooth, receiving distance of 10m and below
Support MP3, WMA format music files
Support TF card, Bluetooth with call, file playback, FM
Support external audio input function such as MP3/MP4/computer (AUX)
Stereo sound quality, surging bass
Support serial 1+1
Support the combination of outdoor straps and silicone tote bags
Waterproof cloth mesh technology, Support XP65 waterproof
Specification:
Output power: 5w *2
External magnetic speaker: 4? 5W*2
Input sensitivity: 400mV
Separation: ?90dB
Signal to noise ratio: ?80dB
Working voltage: DC 5V
Battery type and capacity: 18650/ 2400mAh
Battery working time: 4H
Vibration mode: square diaphragm 40*33mm*2