Advanced Bluetooth 5.0 and CSRUgreen make playing music and conversations smoother and clearer than ever. Make your lifestyle more attractive with Bluetooth 5.0. Comfortable talking in speaker and voice assistantThe built-in microphone makes talking with family and friends childishly simple. Ideal for talking in hands-free mode while driving. Control without using your hands allows you to focus on driving. Connection to two devicesWith a user-friendly receiver you can connect two mobile phones at the same time and easily switch between music and connections on any of them. Long battery lifeWith up to 10 hours of conversation or playback or 120 hours in standby mode, the battery is enough for even the longest family trips. Content Pack1 x Bluetooth receiver 5.01 x user manual