ITEM NAME:BT21 Wireless Bluetooth FM Transmitter Handsfree Car Kit MP3 Player USB Char #s Product Description Description: BT21 Bluetooth FM Transmitter Wireless Modulator Handsfree Car Kit MP3 Player 3.1A Dual USB Charger Features: 1. Dual USB 3.1A fast charging; battery voltage detection; 2. Support Bluetooth / TF card / U disk music, support Bluetooth hands-free calling; 3. Orange LED screen, display information of frequency, song serial number and working status; 4. Support folder switching playback function, song classification playback; 5. Support power-off memory function; 6. Support 2 mobile phones charging at the same time, support charging while listening to songs; 7. Noise cancellation function: built-in noise elimination circuit makes the call sound clearer. Specifications: USB port: High Speed USB 2.0 Screen: Orange LED screen Power mode: cigarette lighter power supply USB output: 3.1A Memory card type: TF card Supported TF card / U disk capacity: ≠¤ 32GB Power supply: DC 12-24V Supported file type: MP3/WMA/WAV/FLAC Working current: 50-100mA DC 12V Bit rate: 64-320kbps FM frequency range: 87.5-108MHz Signal to noise ratio: 85db (FM: 65db) Harmonic distortion:
