Features: Hi-Fi Stereo Sound:CVC6.0 noise cancellation tech intelligently filters ambient noise to ensure Hi-Fi Stereo Music Sound and Strong Signal. Let you get high quality and clear voice.Comfortable Light Weight:As light as 15 grams. Ultra light weight does not cause any burden to the ears, thus providing lasting wearing comfort. Easy Charge: Built-in rechargeable 170mahLithium-poly battery. Can last up to about 6 hours while listening to music or talking on the phone. This powerful rechargeable battery has up to 150 hours of standby time. Package Content: Q9 Bluetooth Headset, USB Charging Cable, One Black Storage Bag, 2 Sets of Silicone Ear Tips (large,small).Bluetooth 4.1 + APTX technology    Bluetooth 4.1 technology Lets you wirelessly connect to compatible devices, such as,For iPhone 6s/iPhone 6/6 plus/5s/5c/4s/4c/3/2 iPad, iPod, Android Smart phone;For Samsung Galaxy S4/S3 Note2/3; Galaxy Tablet and other Smart phones, fit for all Bluetooth-enabled devices. APTX technology delivers astonishing acoustic,with that deep bass you crave.  Hi-Fi Sports Headphones    Enjoy clear, crisp sound every time,The Q9 In-Ear Sports Headphones have been engineered for the active consumer.Great for listening to music while running or exercising, and even as a hands-free communication device.  Voice prompt    Combine with Voice reminder function, Prompt the newest state of headset with vocal.  Multi-Point supports to connect 2 mobiles at the same time, IOS system display battery capacity