The Slim headset boasts extraordinary features. With its ultra-sleek profile finish, this Bluetooth® headset could basically pair and connect with two mobile devices at the same time. With the added chip that supports Digital Signal Processor (DSP), signal transmission is stable and at real-time feedback. The Slim has an outstanding sound quality with voice prompt technology that speaks real-time functions such as powering the headset on and off, connecting, battery low and so on. Its rechargeable lithium polymer battery provides low radiation and designed with low power consumption for a safe and stable connectivity usage, which could last up to 4 hours of talk time and standby time of up to 100 hours.