✓?Easy to Use and Portable?No driver needed, one-step setup, plug and connect. 1.6 inches, 0.65 oz, mini but powerful. ✓?Bluetooth 5.0?Bluetooth 5.0 provides 20m signal range and dual device connectivity with stable connection and fast transmission for all your daily use. ✓?16-Hour Playtime?This Bluetooth receiver is built in a high-capacity battery, it supports 16 hours of playtime and can work while charging. ✓?Activate Voice Assistant?Double press to activate the voice assistant of your phone to make your driving safe. ✓?Hands-free Calls & Noise Cancellation?The CSR Bluetooth chip with Hands-Free Profile and built-in microphone ensure you not miss every call even while driving. The superior noise cancellation technology ensure excellent call quality. ✓?Bluetooth Receiver?This device is just a RECEIVER. It can turn your old car stereo / home stereo / speaker / wired headphones into Bluetooth-enaled devices, which can save you from the limit of cables.