{"product_id":"bt21-car-bluetooth-fm-transmitter-mp3-player-dual-usb-charger","title":"BT21 Car Bluetooth FM Transmitter MP3 Player Dual USB Charger","description":"\u003cdiv\u003e\n\u003cp\u003eBT21 Car Bluetooth FM Transmitter MP3 Player Dual USB Charger delivers in-car audio and charging in a single, compact device. It streams music via Bluetooth 5.0, plays MP3\/WMA from USB drives or TF cards, and charges two devices at once.\u003c\/p\u003e \u003cp\u003eUse it to upgrade an older car stereo: pair your phone, stream music, take hands-free calls, and charge devices during long drives.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDual USB ports provide simultaneous charging with a fast-charge option for quick power on the go.\u003c\/li\u003e \u003cli\u003eBluetooth 5.0 enables stable wireless streaming and easy pairing with your smartphone.\u003c\/li\u003e \u003cli\u003eInline controls manage calls, playback, volume, and FM frequency without taking your eyes off the road.\u003c\/li\u003e \u003cli\u003eLossless audio decoding supports MP3 and WMA playback for clearer sound.\u003c\/li\u003e \u003cli\u003eExpansion slot accepts USB drives and TF cards; the device automatically recognizes playable formats.\u003c\/li\u003e \u003cli\u003eDigital display shows real-time voltage and transmission status; built-in protections guard against common faults.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eOptional light specifications: Compact design with simple LED indicators for power, Bluetooth pairing, and charging status.\u003c\/p\u003e \u003cp\u003eFit: designed for in-car use with standard car interiors and FM radio compatibility.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Syndmart","offers":[{"title":"BT21","offer_id":47332954079450,"sku":"SYA0017113","price":25.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/7062\/9594\/files\/SYA0017113.jpg?v=1770431333","url":"https:\/\/syndmart.com\/products\/bt21-car-bluetooth-fm-transmitter-mp3-player-dual-usb-charger","provider":"Syndmart","version":"1.0","type":"link"}