Features: * brand new and high quality. *Made of high quality material for lasting use. *Operation is quick and easy . *Can extend and retract the length and width of the phone holder. *With this phone holder you can watch the lyrics music scores or use app when in the live show or rehearsing. Specifications: Material: Metal + plastic Color: Black (As shown) Screws on to: tube diameter Within 30mm / 1.15inch. Phone Holder Width: 60mm to 85mm / 2.36 to 3.34inch. Package list: 1 x Cell Phone Holder