General description Built-in Bluetooth and microphone with 2 USB ports for charging, this New Retro Car Wireless Bluetooth MP3 Player offers hands-free calling and advanced audio transmission. It features a multimedia radio with FM functionality and supports various audio formats. Technical specifications Model: -5513 Storage Capacity: No memory FM Function: Yes (87.5-108 MHz) Bluetooth: Built-in Output power: 4*60W Input voltage: DC 12V Maximum current consumption: 15 A Frequency range: 87.5 MHz-108.0 MHz Dimensions: Measurement allowed error is +/- 1-3 cm Compatibility and accessories Compatibility: for car Package Contents: 1 * Wireless Bluetooth Radio, 1 * English Instruction Manual Usage Supports USB / TF card reader Supports audio formats: MP3 / WMA / WAV Folder playback function Remote control support Rotary electronic volume control MP3 playback features: pause, preview, repeat, shuffle, and 10 track up/down selection Electronic bass/treble control and left/right balance AUX