Specifications:

Type: USB Dreamcolor Bluetooth LED String Light
Working Voltage: DC5V.

Emitted Color: WS2812B RGBIC.
Length : 5M/10M/20M
LED Quantity: 50LEDs/5M ; 100LEDs/10M;200LEDs/20M
Waterproof : IP65 Waterproof.
Long Life: more than 50000 hours.
Control: Bluetooth App or IR Remote Controller(NOT Include CR1220 Battery).
Working Tempreture: -20~50°.
Warranty: 2 Year.
Mainly used for indoor and outdoor garden decoration, shop decoration, wedding, festival, party, convenient and simple.

Please Note:
WS2812B Led Lights String Must Use DC5V Power Supply. Otherwise, It will burnt out.