Specifications: Product size: 38x32x240mm Product weight: 165g Bluetooth version: BT4.2 transmission frequency: 2.4GHz-2.4835GHz Bluetooth transmission distance: 10m Material: ABS+AluminiumAlloy Androidsystem: Android 4.4 and above IOS system: iOS5.0 and above Supports phone size: 59-80mm White light color temperature: 6500K, whole lamp lumen: 45lm, power: 0.21W Warm light color temperature: 3000K, full lumen: 39lm, power: 0.21W Mixed color temperature: 4500K, full lumen: 54lm, power: 0.41W LED light power: 0.5W/pcs