Specification: Size: 85mm X 27mm Weight: 48g Rated Voltage: USB 5v / 300MA Power: 2W (max) Material: Plastic Color: White LED Blubs: 36 LED Bulbs Powered By: USB Charging Charging Time: about 2H Working Time: 2-5H after each full charge Package included: 1 x Selfie LED Ring Light THREE BRIGHTNESS LEVELS: suitable for light conditions: low brightness, medium brightness, high brightness (Mode switch as you desire), you'll find the perfect lighting needed for your photos. NEW CLip-ON DESIGN: used to phone, tablet PC, computer, Camera, and many other devices with thickness within 1.9cm Built-in 36 highlight leds, can be used as making up light source.SUPER EASY TO USE: Clip it onto the top of your smartphone device and press the power button and you will get the supplementary lighting. RECHARGEABLE: No need to buy extra batteries. This Selfie Ring Light is rechargeable. Simply connect the light to any USB port to start charging MORE FUNCTIONS: emergency table lamp, emergency flashlight, etc.