Bluetooth Speaker & Power Bank All in One (7000mAh) charger bank

Specification: Model: S400s

Waterproof Battery Powered Bluetooth Speakers

Technical Parameter

Current – 1000mAh (at DC end)

Input power – 100~240V/ 50~60Hz

Output power – 1A / USB

Rechargeable battery – 3.7V / 7000mAh lithium battery

Charging time – around 10 hours

Working hours –  18 > 20 hours (music time)

Sinoband Bluetooth Speaker

Input sensitivity – 800m V1KHz

Frequency – 40Hz~19KHz

Stereo isolation – > 40db

Volume – up to 120db

Bluetooth Range – Max. 15mtr / 20mtr clear direction

Environment temperature –  -10℃~+ 45℃

Colour – Black