?The In-ear Bluetooth earphone enables you to greatly enjoy wireless music; and its hands-free function can set free you hands from answering the call during driving &amp; travel. Additionally£¬ the built-in microphone with advanced echo and noise cancellation technology can bring you clear communication effect£¬ and the detachable rechargeable battery plus one standby battery provides you up to 12 hours of talk time and music time. With this product£¬ you can great enjoy the wonderful music and talking. It is perfectly suitable for the car owners. <br><br><strong>Features:</strong> <br>The Bluetooth headset uses stylish shape design and has beautiful streamline appearance. <br>Uses the renowned stereo Bluetooth 4.1 chip to ensure high-fidelity sound quality and stable performance. ? <br>Built-in high-performance Microphone and Speaker£¬ offering you HIFI sound effect (Perfect sound Quality and clear communication effect.) <br>Support Multi-point Technology: Can simultaneously connect two smarts phone. So you can seamlessly switch between your business and personal phones. <br>Supports hands-free call£¬ you can easily make and receive calls while traveling &amp; driving after connected with Bluetooth-enabled smart phones. <br>CVC 6.0 intelligent noise reduction technology enhance call audio transmission performance. <br>Enjoy music wirelessly£¬ easy to switch between calls and music£¬ you will not miss any incoming call whilst listening to music. <br>Compatible with almost all Bluetooth-enabled mobile devices such as£¬ for iPhone6 6Plus 5S£¬ for Samsung Galaxy S6 S5 / Note 5 4£¬ for iOS / Android Smart Phones£¬ Tablet PC£¬ Laptop£¬ etc. <br>Easily control playing / pausing£¬ adjusting the volume£¬ previous / next songs£¬ answering / rejecting / ending an incoming call and redialing the last number. <br>With the Micro USB port£¬ the wired earphone can be connected to realize dual channel music experience. <br>Low power consumption£¬ the detachable rechargeable battery plus one replaceable battery provides you up to 12 hours of talk time and music time. <br>Support iOS power display. <br>Use creative ergonomics design£¬ comfortable to wear. <br>Lightweight£¬ comfortable and easy to carry and custody. <br><br><strong>Specifications:</strong> <br>Model Number: K7 <br>Buttons &amp; Ports: 1 * Multifunctional Button£¬ 1 * Volume control£¬ 1 * Micro USB port (Wired Earphone Jack) <br>Bluetooth Version: Bluetooth 4.1 + EDR <br>Bluetooth Profile: HSP£¬ HFP£¬ A2DP£¬ AVRCP <br>Wireless working distance: 10m <br>High-quality Built-in Rechargeable Li-ion battery : 55mAh * 2 <br>Play Time: about 6 hours (depends on volume) * 2 <br>Talk Time: about 6 hours * 2 <br>Standby Time: about 300 hours * 2 <br>Charging time: 2 hours <br>Charge Port: Micro USB port. <br>Item color: Yellow£¬ Black£¬ White (Optional) <br>Main item size: 6.5 * 2.0 * 1.5cm / 2.56 * 0.79 * 0.59in <br>Main item weight: 9g / 0.34oz <br>Package size: 22.2 * 10.4 * 3.8cm / 8.74 * 4.09 * 1.50in <br>Package weight: 95g / 3.35oz <br><br><strong>Package list:</strong> <br>1 * Bluetooth Headset <br>1 * Replaceable Battery <br>1 * Earmuff <br>1 * Ear Hook <br>1 * Charge Cable <br>1 * Wired Earphone <br>1 * English / Chinese User Manual