?Exercise is good for the body as well as psyche, but if you listen to music while exercising, you brain will even work better. People not only like listening to music while exercising, but also don't want to miss any important calls while exercising. With the wireless Sport stereo Bluetooth 3.0 Headset; you can easily realize the two thoughts and control your music and calls by the button of the headset. And, its hands-free function can set free you hands from answering the call during exercise or travel. Moreover, the Sport Headset is lightweight and portable, and has a high-grade built-in microphone and speaker which can offer you wonderful sound quality. It is perfectly suitable for jogging, mountain-climbing traveling, hiking and other sports. Features: The Bluetooth headset uses stylish shape design and has beautiful streamline appearance. Uses the renowned stereo Bluetooth 3.0 chip to ensure high-fidelity sound quality, stable performance and excellent communication effect. Built-in high-performance Microphone and Speaker. Noise Reduction echo cancellation; Enhanced Audio and Bass Response. Support multipoint connections: Can simultaneously connect two mobile phone. And, it supports auto-reconnect. Supports hands-free call, thoroughly set free you hands from answering the call during exercise or travel. Compatible with almost all Bluetooth-enabled mobile devices such as, for iPhone6 6Plus 5S, for Samsung Galaxy S5 S4 S3 / Note 4 3 2, for HTC One, Tablet PC, Laptop, etc. Enjoy music wirelessly, easy to switch between calls and music, you will not miss any incoming call whilst listening to music. Easily control playing / pausing, adjusting the volume, previous / next songs, answering / rejecting / ending an incoming call and redialing the last number. The spongia ear cushion can greatly insulate the sounds around you, so you can hear your call clearly, but also let you comfortable to wear. Adjustable headband for comfortable wearing. Low power consumption, the standby time up to 360 hours. Powered via a micro USB charging port (DC 5V). It is perfectly suitable for bicyclist, runners, joggers, walkers, climbers, etc Built-in rechargeable Li-battery. Specifications: Brand Name: HOLAAM Model Number: HD-263. Connection: Bluetooth Wireless connection Bluetooth specification: Bluetooth 3.0+ EDR, Class 2 Bluetooth profile: Support A2DP, AVRCP, HFP, HSP. Operation Range: Up to 10m Frequency: 2402MHz ~ 2480MHz, ISM Band. Speaker: 40mm, 30mW, 32ohm. Microphone Sensitivity: -42dB. Input Voltage: DC 5V. Battery: Built-in rechargeable 3.7V / 330mA lithium battery Music playing time: 4 ~5 hours Charge time: 2 ~ 3 hours Color: Black Main item size: 16.5 * 15.0 * 4.2cm / 6.50 * 5.90 * 1.65in Main item weight: 115g / 4.07oz Package size: 20.0 * 18.5 * 5.5cm / 7.87 * 7.28 * 2.16in Package weight: 247g / 8.71oz Package List: 1 * Bluetooth headphone 1 * USB Cable 1 * English / Chinese User manual