Usage Tips:Car transmitter FM ROIDMI/MOJIETU 3S with charger function from XIAOMI for passenger cars This is the third generation of the popular transmitter of the well-known brand XIAOMI - it has been improved and adapted to all models of car sockets. Works with Android and iOS devices. Communication between the smartphone and the transmitter takes place via Bluetooth. The sound is emitted by car speakers. Bluetooth Double Mode 4.2 FM transmitter Advanced noise cancellation function - clear sound quality without distortion 2 x USB - fast charging 2.4A Full support for iOS and Android (since 4.0) Compatible with all car sockets Thanks to Bluetooth Double Mode 4.2, the transmitter works even more stable. The device allows you to enjoy music from your smartphone, also in older models of car players. The device is fully compatible with all devices equipped with Bluetooth module and having an operating system in the form of Android lud iOS. Simply connect your device to the charger transmitter and then select the free wave so that you can fully enjoy the features your device offers. Frequency changes can be made in a dedicated application, which is available on iOS and Android. The second basic function of this device is a fast and high-quality car charger, equipped with two USB outputs with a maximum intensity of 2,4A. TECHNICAL DATA: Model: BFQ04RM Type: Bluetooth Transmitter, Car Charger Frequency FM: 87,5-108 MHz Number of outputs USB: 2 Input voltage: 12-24 V (for connection only in passenger cars) Output voltage: 2x DC 5V / 2.4A Maximum output power: 15.5W Power: 20 W Intelligent recognition: Automatically recognizes connected devices by adjusting the output current Bluetooth: Dual mode V4.2 (BR/ EDR ) Bluetooth protocol: HFP/A2DP/AVRCP/EDR/SPP/BLE Support fast charging Streaming music Backlit USB: LED connectors make it easy to connect cables in the dark Operating system: android 4.2 and iOS 8.0 or later versions Dimensions: 25x25x53 Kolor: Black Set: User Manual