Lightweight and Portable Bluetooth Remote Control Lightweight and compact for easy portability. Made from flame-retardant and durable ABS plastic. Bluetooth 4.0 for stable audio and video synchronization. Rechargeable and reusable built-in lithium battery. Multi-function buttons for convenient operation. Convenient lanyard hole. Functions include video liking, photo taking, and e-book page turning. Specifications: Bluetooth Version: Bluetooth 4.0 Effective Distance: 10-15m Battery Capacity: 250mAh Charging Time: 1-2h Frequency: 2.4Hz-2.4835GHz Supported Systems: iOS, Android Color: Black Material: Plastic Package Contents: 1 x Remote Control Page Turner Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.