If you want to enjoy wonderful music from your MP3 freely and conveniently， you can have a try of Bluetooth earphone. This HBS-730 Wireless Bluetooth Earphone for MP3 is made of high quality outer shell material and precise inner chip or electronic components， very durable. Adopting advanced technology， this Bluetooth earphone ensures you to enjoy high-fidelity and stereo tone quality and stable performance. Besides， it works under low current and power， so it is energy-saving practical. What is more， high SNR ratio ensures low noise and clear tone quality. You will find it worthwhile and functional.                                    Features            With a USB cable for convenient chargingEffective to eliminate noiseLong standby time and working timeHigh-fidelity， clear and stereo tone qualityA long connecting range up to 10mButtons design for easy music or volume controlElegant appearance and excellent quality                                                            Specifications            Changing Voltage    MICRO USB 5V    <br>Working Current    25-30 mA    <br>Output Power    2 x 20mW    <br>Blue Tooth Working Range    10m    <br>Frequency Range    2.401-2.480ghz    <br>Frequency Response    20Hz-20KHz    <br>SNR    S / N≥95    <br>Distortion Factor    ≤ 1%    <br>Bluetooth Version    2.1+EDR    <br>Weight    2.22oz / 63g    <br>Dimensions    (16.14 x 0.79 x 0.79)" / (41 x 2 x 2)cm (L x W x H)    <br>Compatible Model    Compatible with Bluetooth 1.1 / 1.2 / 2.0 / 2.1 and Above    <br>Color    Black    <br>                                                            Package Includes            1 x MP3 Palyer1 x Headphones1 x USB Cable1 x User Manual