ELECDER, established in 2016, a professional brand that specializes in headphones, including true wireless earbuds, kids headphones, wired headphones, wireless sports headsets, and active noise canceling headphones etc. We are proud of ourselves and try our best to understand the needs of consumers, to meet their needs, and to serve them enthusiastically and freely in our stores. If you are a headphone enthusiast, please pay close attention to Elecder. <br><br><b>1 Easy One-Key Operation</b><br>After finding “Elecder D11” bluetooth setting in your device to pair the earbuds, you can use one key to control volume, power on/off more functions.<br><br><b>2 Hi-Fi Stereo Sound Experience</b> <br>Offers a truly natural, clear sound and powerful bass performance, making you feel personally on the scene of music with hassle free. <br><br><b>3 Intelligent Compatibility</b><br>In compatibility with kinds of most the devices with Bluetooth function like smart phones, tablets, laptop. Some of the compatible devices are iPhone, Samsung Galaxy cellphone, Huawei cellphone, LG cellphone, iPad and etc. <br><br><b>4 IPX5 Sweat Water Resistant</b><br>The bluetooth earbuds are designed to prevent sweat, water. Perfect for running, hiking, exercises, travelling and etc. Note: The charging case is not waterproof.<br><br><b>SPECIFICATIONS:</b> <br>Model: Elecder D11 <br>Bluetooth Standard: V5.0 <br>Operating Range: 33 feet/10 meters (No obstacles between) <br>Supporting Protocols: A2DP/HFP/HSP/AVRCP/SPP <br>Charging Time: appro x.1.5hours (earbuds); appro x.2 hour (charging case) <br>Talk/Playing Time: appro x. 28 hours <br>Charging Voltage: DC 5V <br><br><b>Package Contents:</b><br>1 x Elecder D11True Wireless Bluetooth Earphones <br><br>1 x USB Charging Cable<br><br>1 x Charging Case<br><br>6 x Interchangeable Ear Tips <br><br>1 x User Manual<br><br><br>Note:</b><br>Please read and follow the User Manual before use