Feature: 1. Support U disk playback. 2. Support TF-Card music playback 3. Support WMA, MP3, WAV, FLAC music files. 4. Bluetooth-compatible support A2DP, AVRCP ,HFP,. 5. Bluetooth-compatible hands-free calling. Support Bluetooth-compatible stereo music DSP technology. Description: material: plastic Color as shown Name: Bluetooth-compatible MP3 Player Rated working voltage: 12V-24V Limited working voltage: 10~26V Working temperature: 0~50 degrees Supported playback formats: MP3 / WMA / WAV / FLAC Signal-to-noise : 60dB Battery voltage error: 0.5V USB1: U disk/5V/1A USB2: QC3.0 (3.6V-12V) 18W PD: PD3.0 (3.6V-12V) 18W Bluetooth-compatible version: Version 5.0 Bluetooth-compatible sound processing: with DSP technology and A2DP (Advance Audio Distribution ) function Bluetooth-compatible transmission distance: Less than 10M Effective distance of Bluetooth-compatible microphone: 0.5~2M FM transmission frequency: 87.5~108Mhz Transmit FM mode: Stereo digital PLL frequency locking Package Contents: 1 x Car FM Transmitter 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.