Features: Portable & Stable: Made of non-toxic ABS and PC materials, compact size and light weight; with 4 anti-slip pads on the bottom of the page tuner, stable to use. Free Your Hands: The wireless page turner pedal is designed to remotely control the page turning of music sheet in the music APP through your foot. It can free your hands and make your musical playing much smoother. Easy to Use: Just step on the pedal lightly, the page will be turned quietly. Replaceable Battery: Powered by 2 * AAA battery (NOT included), long usage time & easy replacement. Wide Compatibility: With wireless BT connection and stable signal transmission, the page turner pedal is suitable for smart phones and tablets which are compatible with iOS or Android system. Specifications: Material: ABS + PC Power Supply: 2 * AAA battery (NOT included) Item Size: 160 * 68 * 25mm / 6.30 * 2.68 * 0.98in Item Weight: 85g / 3.00oz Package Weight: 162g / 5.71oz Package Size: 21.5*11.5*3.5cm / 8.46*4.53*1.38in Package List: 1 * Page Turner 1 * User Manual (English)