Features: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.Builtin lithium battery is rechargeable and reusable.Multifunction buttons make the operation more convenient.The lanyard hole design is convenient and practical.The remote control is used for video likes, taking photos, turning ebook, etc.Specifications:Material: ABSBluetooth version: Bluetooth 4.0Effective distance: 1015 mBattery capacity: 250mAhCharging time: 12hFrequency: 2.4Hz2.4835GHzFunction: Video likes, taking photos, turning ebook, etcSupport system: IOS, AndroidNOTESupport new Apple systems above 13.4 (supported by new Android systems at the same time), and new systems above IOS 15 press this setting: open settingsaccessibilitytouchassisted touchontracking sensitivity is adjusted to 50%. Please turn on the assistive touch function for Apple systems. Operation: SettingsAccessibilityTouchAssistive TouchOpenIn order to adapt to different mobile phone modes to take pictures, the following camera keys can be moved according to the actual situation.Package Included:1 x Bluetoothcompatible Remote Control1 x Cable