. Completely silent, tactile operation. Ideal for intimate performances and studio sessionsCreated from a virtually indestructible polymer compound with non-mechanical switches. The rechargeable battery provides 90 days of playtime on a single charge, displays status indicators, and automatically shuts off when the host device is turned off. Ergonomic design, arc shaped, easier to walk, easy to clean and save. For page turning, teleprompting, reading music, scrolling through texts and cards, triggering songs and effects, sending MIDI commands, cueing audio and lighting, capturing photos and videos, and much more! Specifications:Product Name: smart wireless side music turnerMaterial: ABSColor: BlackProduct Size: 16*6.8*2.5cmProduct Weight: 100gBattery: No.7Bluetooth: 4.0Usage Time: More than 90 daysPackage Included:1 * Wireless Pedal Side Turner2 * BatteryNote:For ios do not have up and down slide mode for system limit, only support left and right slide mode. Please refer to the measurement. A small measurement error is acceptable within the normal range. There may be a slight color difference due to monitor, camera or other factors, please refer to the physical item.