TaoTronics Bluetooth Headphones Wireless In Ear Earbuds Sports Earphones with Microphone, Black (8 Hours Playtime, Bluetooth 4.1, Hands Free Calling, Maximum Compatibility) (Purple) Sweat in Style: The Winner in Sports Audio Features Innovative Sweat Proof Covering and Flexible Ear Hooks That Stay in Place No Matter the Physical Activity Top Quality Audio: Hear Richer and More Natural Sound from Your Smartphones, Tablets, and Audio Devices with the Aptx Codec Last Longer, Sweat Longer: Bluetooth 4.1 Offers a Faster, More Energy Efficient Connection so You Can Listen to Music for up to 7 Hours Crystal Clear Communication: Featuring CVC Noise Cancellation technology, the integrated microphone lets you chat without external noise or other interference Absolute Wireless Stability: Built-in Ceramic Antenna Provides Enhanced Audio Quality and More Stable Bluetooth Pairing, Meaning Minimal Lost Connections