Features 1. The Bluetooth remote controller is made of ABS material, which is durable. 2. Bluetooth 4.0 technology enables audio and video synchronization with stable wireless transmission. Wireless range up to 1015 meters. 3. Built-in 250mAh lithium battery. Functions as a shutter remote and self-timer for taking photos with Android and iOS smartphones. Convenient for capturing photos without assistance. 4. Portable and compact design; lightweight and easy to carry. Can be attached to a key ring for convenience. 5. Suitable for taking photos, liking videos, and turning pages on e-books. Specification Material: ABS Color: Black, White, Pink Size: 8 x 4 x 2 cm Weight: 25 g Packaging: Color box Charging time: 30 minutes Battery capacity: 250 mAh Bluetooth version: 4.0 Wireless distance: 1015 m Frequency: 2.4 GHz Support system: iOS, Android Package Include 1 x Remote Controller 1 x USB Cable