Welcome to our store! 1、Premium Material: This smart ring controller is made of premium ABS material, wear-resistant, lightweight, not easy to damage, sturdy and durable. 2、Easy to Use: Fine workmanship, high sensitivity, simple operation, frees your hands, protects your eyes, convenient and practical. 3、Functions: Remote control, scroll up and down on the screen, remote control to watch videos, like your favorite videos, browse e-books, etc. 4、Long Control Distance: The remote control page turner can be connected within 10 meters, easily connect your device and control it even from a distance. 5、Rechargeable: Built-in 50mAh rechargeable battery, standby time is about 4 months, Bluetooth remote control page turner for long-lasting use. Item Type: Remote Control Ring Material: ABS Electronic Components Weight: 33g / 1.16oz Battery Type: Lithium Battery (shipped with built-in battery) Battery Capacity: 50mAh 1 x Remote Control Ring 1 x Charging Cable 1 x Instruction Manual Satisfaction Guarantee: Customers are our top priority. If you find any problem with the product, please contact the seller immediately. We strive to provide satisfactory customer service.