Description/Features: 1. Detachable magnetic suction mobile phone holder self capture tripod 2. Magnetic suction phone holder without "clip" for more convenient installation 3. Stable tripod triangle reinforced tripod design 4. Stable magnetic force that cannot be shaken off, with strong adsorption force 5. Cold boot expansion port can be used with accessories such as fill light or microphone Specifications: Bluetooth version: Bluetooth 4.2 Transmission frequency: 2.4GHz-2.4835GHz Working voltage: 3V Bluetooth transmission distance: 10M Selfie battery: CR1632 (with CAN CHANGE battery) for Android system: for Android 4.4 or above for iOS system: for iOS 5.1 or above Magnetic force: 49N Maximum height of tripod opening: 1045mm size: 21 x 5.8 x 5.4cm Material: Plastic, Aluminum Alloy colour: Black Package Contents: 1 x Selfie tripod Only the above package content, other products are not included. Note: Light reflection 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.