NoteNon-Applebrandedproducts,CompatiblewithiPhonemodels Appearanceparameter Productsize: 38x40x186~700mm colour: back,white,red,blue Packingsize: 45x45x188mm Equipmentweight: 155g Bluetoothversion: Bluetooth3.0 Bluetoothdistance: 10M Battery: CR1632(CANCHANGE) Androidsystem: Android4.3Aboveversion iOSsystem: iOS5.1 Aboveversion Phonesize: 3.5-6.2inches L01S hardware parameters: Buetooth version: Bluetooth 4.0 Bluetooth distance: 10M Phone sice:3.5-6.2 inches L01 hardware parameters: Bluetooth verion Bluetooth: 3.0 Bluetooth distance: 10M Phone sice:3.5-6.2 inches L02 hardware parameters: Bluetooth version:Bluetooth 4.0 Bluetooth distance: 10M Phone sice: 4.0-6.2 inches