Tunai Firefly Ldac Bluetooth Receiver: High Resolution, No Charging Needed Transform your home and car audio system with Firefly LDAC, a powerful Bluetooth music receiver packed in a compact USB size. Certified as High-Res audio, Firefly LDAC streams the highest quality music from your smartphone or tablet via LDAC technology for Android or AAC codec for iOS. Equipped with the latest Bluetooth 5.0 chipset for a stable connection, the Firefly LDAC is the ideal accessory for both iOS and Android users who are looking for the best wireless music quality. Simple and effective: Transforms your home stereo and car audio sound systems into wireless and Bluetooth compatible speakers with just one, easy-to-use plug. No charging needed! Firefly LDAC automatically switches on when you start your engine or turn on your speaker. Authentic, HiFi quality music streaming via LDAC codec and Cirrus Logic audiophile grade 127dB SNR DAC technology : Firefly LDAC supports streaming high-resolution audio over Bluetooth connections at up to 990 kbps (higher than aptX aptX HD), making it the codec standard that delivers the highest quality wireless audio streaming for Android devices. Firefly LDAC also supports AAC, the most advanced codec for iPhone / iOS devices. Automatically reconnect multiple device connectivity: Once the engine starts, Firefly LDAC automatically connects to the last paired smartphone, just like your car's built-in Bluetooth (plus you never have to charge it either!) It can also pair with 2 devices simultaneously for easy music sharing. Eliminate all ground loop noise [feature upgrade from original version]: Firefly LDAC is packed with a ground loop isolator inside, eliminating common ground loop noise issues that plague most receivers, so you will no longer hear hissing and humming sounds when enjoying your music in the car. Simply switch on the function via the TUNAI Connect App. Customize your experience with TUNAI Connect App: TUNAI Connect App offers customized EQ setting for your maximum listening pleasure. You can also adjust other settings and upgrade to the latest firmware via App for the latest updates, making it the perfect car accessory for you.