Featuring with ultra lightweight， compact size and elegant appearance， this HBS-830 4.0+EDR Wireless Bluetooth Stereo Headset with Hands-free Calls Function must attract your attention and stimulate your desire. Adopting superior material， it is durable for long-time wear. Ergonomic and humanized design with sponge earmuff， it is comfortable to wear without pressure and damaging your ears. Besides， adopting advanced Bluetooth technology and EDR， it greatly enhances Bluetooth transmission speed and rate. You can trust in its durability and performance. Enjoy wonderful stereo and high fidelity sound world with this marvelous headset!                                    Features             Ultra long music time， talking time and standby time<br> Comfortable neck surrounded design<br> Can connect two phones simultaneously <br> Work with iPhone<br> Excellent tone quality and shocking sound<br> Support apt-X， high definition and high fidelity tone quality transmission<br> You can set up mute mode to enjoy private space<br> Guaranteed quality， elegant appearance  <br>                                                            Specifications             Model     HBS-830    <br> Port     USB    <br> Bluetooth Version     4.0+EDR     <br> Weight     1.23oz / 35g    <br> Color     White    <br> Dimensions     (6.29 x 5.11 x 0.78)" / (16 x 13 x 2) cm(L x W x H)    <br> Material     Plastic    <br> Blutooth Profiles     A2DP + AVRCP + HSP + HFP    <br> Music Time     up to 20hrs    <br> Talk Time     up to 25hrs    <br> Standby Time     up to 700hrs    <br> Charging Time     2hrs     <br> Battery     3.7V/300mAh， Li-ion Polymer    <br> Operating Temperature     -10℃~60℃    <br> Use Frequency     2402MHz-2480MHz     <br>                                                             Package Includes            1 x Wireless Earphones<br>1 x USB Cable<br>4 x Earmuffs<br>1 x User Manual<br>