Mpow M5 BH231A Bluetooth Headset lets you pair two devices at the same time, allowing you to seamlessly switch between your phone and other Bluetooth-enabled device, like a tablet or laptop. With up to 18 hours of talk time and 200 hours of standby time, you can enjoy a whole day of use without worrying about running out of battery. The headset can be charged via the included USB cable or the charging dock, which can charge the headset up to 12 to 15 times. It also features a built-in microphone with noise reduction technology for clear conversations.