CACAGOO Wireless 4.2 FM Transmitter Stereo Hands-Free Car Kit Flash Drive MP3 Music Player 80W Cigarette Lighter Socket 3.1A Reversible Dual USB Car Charger Noise Cancelling Mic Voltage Detection Silver Overview CACAGOO Wireless FM Transmitter Car Kit with Dual USB Charger enables you to stream music from your Bluetooth-enabled smartphones or tablets, or USB flash drives to your car stereo. With the built-in noise cancelling microphone, you can take phones calls hands-free. Charge up to two devices simultaneously, up to 3.1A current in total. With the two reversible USB ports, you can always plug in your USB connector in the right direction. Extend a cigarette lighter socket, which can deliver up to 80W power for your car refrigerator, car DVR, and more. Features Stereo Music Player Stream music stored on your Bluetooth-enabled smartphones, tablets, music players, or USB flash drives to your car stereo. The wireless working range is up to10 meters. You can adjust the FM frequency between 87.5MHz and 108MHz by using the multifunction button. In the USB flash drive mode, it automatically plays music stored on the USB flash drive (up to 32G) in about 10 seconds, plug and play. Support MP3, APE, FLAC, WMA, and WAV formats.  Clear Hands-free Calling In the wireless mode, the built-in noise cancelling microphone and car stereo system enable you to make crystal clear hands-free phone calls while driving, safe and convenient.  2 Reversible USB Ports Both USB ports are reversible. With an advanced smart IC, they automatically detect your devices and charge them at the optimal charging speed. Charge up to two devices simultaneously, up to 3.1A in total. Come with a 10A fuse, and provide overvoltage conservation, overcurrent conservation, short circuit conservation, and overheating conservation. Add 1 Cigarette Lighter Socket With a wide input voltage range of 9-28V, it fits for most cars, SUVs, commercial vehicles, and more. With the extra standard cigarette lighter socket, it can supply up to 80W power for your car refrigerators, tire inflators, DVRs (dash cameras), etc.  Car Battery Voltage Detection Display the current battery voltage of your vehicle, letting you know the car battery status and helping to prevent the malfunction caused by the under-voltage of your car battery. Easy e When powered on, it will automatically reconnect to the last paired phone, and replay the song which was last stopped. With the multifunction button, you can play/pause music, skip forward/backward, answer/hang-up phone calls, switch modes, or adjust volume or FM frequencies.  Sleek and Durable Feature a sleek CNC machined aluminum alloy housing and a hard scratch-resistant lens. Come with an easy-to-read LED display. Two rings of orange light add an elegant, warm and comfortable ambiance to your car at night. Specifications Brand: CACAGOO Material: Aluminum alloy + PC Color: Silver Wireless version: Wireless 4.2 Wireless range: Up to 33 ft / 10 m Interface: 2 * USB 2.0 ports, 1 * cigarette lighter socket Cigarette lighter socket output power: 80W (Max.) FM frequency: 87.5~108 MHz Supported audio format: MP3, APE, FLAC, WMA, WAV Supported USB flash drives: Up to 32G (flash drives not included) Input voltage: DC 9~28V Total USB output: DC 5V / 3.1A (Max.) USB output 1: DC 5V / 3.1A (Max.) USB output 1: DC 5V / 1A (Max.) LED indicator light: Orange Certificate: CE, FCC, RoHS Warranty: 1-year limited warranty Item size: Approx. 1.85 * 3.54 in / 47.00 * 90.00 mm (Diameter * Height) Item weight: Approx. 1.85oz / 52g Package size: Approx. 16.4 * 9.2 * 5.8cm Package weight: Approx. 159.98g Package includes 1 * CACAGOO Wireless FM Transmitter Car Kit with Dual USB Charger 1 * Instruction Manual (English, French, German, Spanish, Italian, Japanese, Chinese)