Product Description Enjoy Wireless Streaming Music: This AUX Bluetooth receiver upgrades non-Bluetooth devices to Bluetooth functionality via a 3.5mm AUX cable. Connect it to car stereos, home stereos, speakers, or wired headphones to experience high-quality music streaming. HI-FI Music & Ultra-Clear Calls: Our Bluetooth car adapter utilizes a professional HD audio decoder chip for high-quality music streaming. CVC8.0 Noise Cancellation technology eliminates echo and background noise for crystal-clear call audio. Hands-Free Calls & Navigation: Features a built-in microphone for hands-free calls and an "MFB" button to answer/hang up/reject/redial calls. This AUX Bluetooth receiver also supports voice broadcast from navigation apps, ensuring driving safety by keeping your eyes on the road. Bluetooth 5.0 & Dual Pairing: Equipped with an upgraded Bluetooth 5.0 chip for stable connections and fast transmission. Compatible with most Bluetooth devices like iPhones, Android smartphones, iPads, and laptops. Supports connecting two Bluetooth devices simultaneously; simply pause the current playback device and play the other to switch music sources. Long Battery Life & Type-C Charging: This AUX Bluetooth receiver offers up to 10 hours of use on a single charge, fully recharging in just 2.5 hours via the included Type-C charging cable. It can also be used while charging. PS: The indicator light will not illuminate when charging if the battery is full.