Overview: Hand Free clamp on table/desk/bed and rotate any angle to free your hand 3 Light Color - white, warm yellow, warm yellow + white 10-Level Brightness optimize your lighting source as best 360 degree adjustable easily rotate the swivel ball head for ideal viewing Universal Phone Holder works with all iPhone/Samsung smartphones up to 3.6 inches wide USB Powered - no battery needed, long USB cable (55 inches) ensure sufficient reach from your USB charger Multifunction works both as photography ring light and table lamp, or even moonlights Durable quality strong material for longevity/stability Rubber Cushion Clamp - anti-slip/anti-shock for stability and protects your desk or table Great replacement for phone tripod Specifications:Material: alloy, aluminum Light source: LEDWeight: 450gGear: 3 gears Lamp power: 12W (cold lamp 12, warm lamp 12, cold and warm 24) Storage temperature: -40C ~ 80CWorking temperature: less than 45 C, safe to touch.