?Exercise is good for the body£¬ 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 sports. The M2 Bluetooth 4.1 Headset helps you easily realize the two thoughts£¬ controlling your music and calls by the buttons of the headset. And£¬ its hands-free function can set free you hands from answering the call during exercise &amp; travel. Moreover£¬ M2 Sport Headset with a high-grade microphone and speaker can offer you high-quality stereo sound music and clear speech. Its lightweight and compact portable size is perfectly suitable for jogging£¬ mountain-climbing traveling£¬ hiking£¬ gym£¬ etc. ?? <br><br><strong>Bluedio M2 Features: </strong>? <br>*Advanced Bluetooth Technology: <br>M2 Headset uses renowned Stereo Bluetooth 4.1 chip to ensure super fast data transmission and stable performance.? <br>*Super Sound Quality: ? <br>M2 Headset uses high-performance Speaker£¬ and supports adjusting the EQ setting£¬ offering you high-quality audio£¬ letting you greatly enjoy CD quality stereo sound music &amp; enhanced BASS effect. Also uses DSP Noise Cancellation Technology£¬ bring you clear sound effect.? <br>*Convenient to controlling your music and calls: ? <br>M2 Headset is equipped with function buttons which lets you easily controlling your music. It also supports hands-free with high-grade microphone£¬ thoroughly setting free you hands from answering the call during exercise. <br>*Easy to use: <br>M2 Headset supports Voice Prompt£¬ Voice Control and Call Waiting£¬ letting you easily to operate the headset. Also support Voice Prompt (Supports selecting corresponding language from English / Chinese / French / Spanish).? <br>*Integrated Multi-point Technology:? <br>M2 Headset Can simultaneously connect two smarts phone. So you can seamlessly switch between your business and personal phones. ? <br>*Perfectly Compatibility:? <br>Compatible with almost all Bluetooth-enabled mobile devices such as£¬ for iPhone 6S 6 iPad iPod£¬ for Samsung Galaxy S6 Note 5 other Android / iOS Smart Phones£¬ Tablet PC£¬ Laptop£¬ etc. Also supports auto-reconnect. <br>*Ultra-low Power Consumption:? <br>Up to 7 hours of continuous Music and Talk Time£¬ 160 hours of Standby Time per charge cycle. Low power alert; Supports Over-Charge/ Discharge protection.? <br>Use creative ergonomics design£¬ flexible neck-strap£¬ lightweight and comfortable to wear and easy to custody. <br><br><strong>M2 Specifications:?</strong> <br>Brand Name: Bluedio? <br>Model Number: M2 ? <br>Bluetooth Version: Bluetooth 4.1; Class 2. <br>Supports HSP£¬ HFP£¬ A2DP£¬ AVRCP protocol.? <br>Operation range: Up to 10 meters? <br>Transmission Frequency Range: 2.4GHz ~ 2.48GHz <br>Frequency Response: 20Hz~20KHz ? <br>High-quality 3.7V / 60mAh Rechargeable Li-ion battery <br>Music Playing Time: 7 hours (The Music Volume will affect the time) <br>Talk Time: 7 hours <br>Standby Time: 160 hours <br>Charge Time: 2 hours? <br>Charge Port: Micro USB <br>The Cable length: 65cm? <br>Color: Black£¬ White (Optional)? <br>Main item weight: 14g / 0.5oz? <br>Package size: 20.0 * 10.0 * 4.5cm / 7.87 * 3.74 * 1.7in? <br>Package weight: 105g / 3.7oz <br><br><strong>Package List:</strong> <br>1 * M2 Bluetooth Headset? <br>1 * USB Cable <br>2 * Eartip? <br>1 * English / Chinese / French / German / Spanish / Japanese User Manual