This Mina-aHands-free V3.0/V4.0+EDR Wireless Bluetooth Headset is universal and compatible with any devices possessing Bluetooth function. You can enjoy music and calls brought by this wireless headset perfectly. Compatible withV3.0 or V4.0 Bluetooth， it ensures stable and reliable Bluetooth experience. Featuring with ultra lightweight， compact size and elegant appearance， this Mina-a is very popular among users. Adopting superior material， it is durable for long-time wear. Ergonomic and humanized design makes it comfortable to wear without pressure and damaging your ears. It will give you every satisfactory!                                    Features             It supports to connect two cellphones or devices simultaneously<br> Compatible with V3.0 or V4.0 Bluetooth version<br> It works with cellphone， PC that with Bluetooth function<br> Long standby time and talk time  <br> Ensure high definition and high-fidelity tone quality<br> Built in rechargeable Li-ion battery<br> Comfortable， ergonomic and humanized wearing style design <br>                                                            Specifications            Bluetooth Version    V3.0/V4.0+EDR    <br>Support Profiles    Headset !#!amp!*! Handfree !#!amp!*! A2DP    <br>Talk Time    Up to 3 Hours    <br>Standay Time    Up to 100 Hours    <br>Power Souce    Built in Rechargeable Li-ion Battery    <br>Color    Black    <br>Weight    0.14 oz / 4 g    <br>Dimensions    (1.14 x 0.87) " / (2.9 x 2.2) cm (L x Dia)    <br>                                                            Package Includes            1 x User Manual<br>1 x Bluetooth Headset<br>1 x Earhook<br>1 x Cable<br>