Description: Light weight, small size, easy to carry. The remote control is made of ABS, which is fireproof and durable. Bluetooth 4.0, audio and video synchronization, stable transmission. Built-in lithium battery is rechargeable and reusable. The lanyard hole design is convenient and practical. Multi-function buttons make the operation more convenient. The remote control is used for video likes, taking photos, turning e-book, etc. Specification: Material: ABS Bluetooth version: Bluetooth 4.0 Effective distance: 10-15 m Battery capacity: 250mAh Charging time: 1-2h Frequency: 2.4Hz-2.4835GHz Function: Video likes, taking photos, turning e-book, etc Support system: for IOS, for Android 75x37x8mm/2.95x1.46x0.31inch Package Includes: 1 Piece Bluetooth Remote Control