Let this HB-800S CSR 4.0 1-to-2 Wireless Stereo Sporty Bluetooth Headset bring your pleasure and convenience! This is a universal headset compatible with any cellphone as long as it supports Bluetooth stereo function. It adopts V4.0 Bluetooth to ensure stable and reliable Bluetooth experience. This HB-800S features ultra light weight， compact size and elegant appearance. Designed into magnetic suction groove and earplug， it is very convenient to collect without winding cable. Adopting superior material， it is pliable and durable to use. Ergonomic and humanized design makes it comfortable to wear without pressure and damaging your ears. You can enjoy pleasure about music and calls brought by this wireless headset definitely!                                    Features             Unique， ergonomic and humanized wearing style for comfortable use<br> Adopt magnetic suction designed earplug and groove <br> 10mm high-fidelity stereo audio jack <br> Call vibration reminder， waterproof design， hands-free function<br> The maximum 360 hours standby time， 10 hours talk time and 10 hours music time<br> Quick charging with micro USB cable or <br> Audible paining assistance <br> Audible battery status alert <br> Auto-reconnect function<br> Adopt V4.0 Bluetooth version <br>                                                            Specifications             Frequency Range     20 - 20000Hz    <br> Bluetooth Version     4.0    <br> Voltage     1.8 / 3.3V    <br> Color     White    <br> Charging Time     2-3H    <br> Weight     1.06 oz / 30 g    <br> Dimensions     (6.3 x 4.72 x 0.39) " /  (16 x 12 x 1) cm (L x W x H)    <br> Material     PC & Silicone      <br>                                                             Package Includes            1 x USB Cable<br>1 x One Wireless Headset<br>