Features Multi-Function Versatility: Seamlessly switch between electronic music scores, e-books, and presentations with this multifunctional foot control, enhancing your productivity and creativity Broad Compatibility: This device works effortlessly with Android, iOS, Harmony, Windows, and more, ensuring a smooth experience across various platforms for all your needs Advanced Bluetooth Technology: Equipped with Bluetooth 5.3, enjoy a reliable and convenient connection for enhanced control without the hassle of cables, making it perfect for any setting Extended Battery Life: With a built-in rechargeable lithium battery, experience up to 73 hours of continuous use on a single charge, minimizing downtime and maximizing efficiency Durable Construction: Crafted from high-strength ABS material, this controller is resistant to falls and abrasion, guaranteeing long-term durability for your active lifestyle Features: 1、Multi Functions: The controller is functional, can be used for electronic music score, electric book, PPT, picture page turning, can also be used for short video APP reading and turning. 2、Wide Compatibility: The controller supports for Android, for IOS, for Harmony, for Windows and other operating systems. 3、Bluetooth Connection: The controller is equipped with Bluetooth 5.3, which makes the control more convenient. 4、Long Battery Life: Built in rechargeable lithium battery, with super long life, can be used continuously for 73 hours when fully charged. 5、High Strength: The shell is made of excellent ABS material, which is resistant to falling and abrasion, ensures long term service. Specification: Item Type: Bluetooth Multimedia Controller Material: ABS Battery: 1 x rechargeable lithium battery, battery capacity: 230mAh (built in battery) Bluetooth Version: Bluetooth 5.3 Endurance: 73 hours of continuous use Package List: 1 x Bluetooth Multimedia Controller 1 x Charging Cable 1 x Manual Note: For IOS 13 and higher systems need to turn on the auxiliary touch function (Settings, Auxiliary Functions, Touch, Auxiliary Touch, On). Package List 1 x Bluetooth Multimedia Controller 1 x Charging Cable 1 x Manual