Specifications True-Wireless Voice-enabled with both Apple Siri and Google Assistant Stereo Sweat-Resistant Bluetooth Bluetooth range: Up to 30 feet (10 meters) Dual built-in microphones for clear convenient stereo calling Double click recall Charging case and micro-USB charging cable included Power Bank case to re-charge earbuds and mobile devices Bluetooth Auto-On / Auto-Off / Auto Pairing Playtime: 2.5 - 4 hrs Colour: Black