The HBS-900 Wireless Bluetooth CSR4.0 Sports Hands-free Headphones is designed for comfortable all-day wear anywhere! With the convenience of Bluetooth CSR4.0 technology， it lets you answer phone calls and listen to music hands-free. Inbuilt dynamic drivers produces high quality stereo sounds for a greater level of listening pleasure. Meanwhile， the microphone adopts noise reduction technique and is sensitive enough to pick up your voice clearly. And it vibrates to notify you of the incoming call. Sleek， metallic design elevates your style while retractable earbuds offer maximum comfort. You got to give it a try!                                    Features             Let you answer phone calls and listen to music hands-free<br> Use Bluetooth CSR4.0 connectivity to stream audio from your smartphone<br> Inbuilt dynamic drivers produces high quality stereo sounds for a greater level of listening pleasure<br> Sensitive microphone adopts noise reduction technique to pick up your voice clearly<br> Vibrate to notify you of the incoming call<br> Sleek， metallic design elevates your style<br> Retractable earbuds offer maximum comfort<br> Inbuilt with 200mAh Li-Po battery for up to 250 hours of standby time <br>                                                            Specifications            Model    HBS 900    <br>Color    Champagne    <br>Distance Coverage    Up to 10 Meters    <br>Battery    Battery3.7V/200 mAh Li-Polrmer    <br>Standby Time    250 Hours    <br>Talk Time    7- 8 Hours    <br>Music Play Time    7- 8 Hours    <br>Charging Time    3 Hours    <br>Power Rating    17 mW    <br>Frequency Table    2400.0- 2483.5MHZ    <br>Work Voletage    DC 3.3V to 4.2V    <br>Charger    DC 5V， 300mA    <br>Dimensions    (6.89 x 6.02 x 1.10) " / (17.5 x 15.3 x 2.8) cm (L x W x H)    <br>Weight    1.73 oz / 49 g    <br>                                                            Package Includes            1 x Wireless Bluetooth Headphone<br>2 x Earbuds (Set)<br>1 x USB Cable<br>1 x User Manual<br>