The i7 TWS Bluetooth 4.2 Stereo Headphones includes two pieces of earbuds and each of them can work as a single ear Bluetooth headphones. The true wireless headphones deliver crystal clear sound with powerful bass for a great listening experience. The built-in Mic allows you to answer a call without reaching your smartphone. The mini and lightweight design ensure a comfortable fit and built-in battery lasts up to 4 hours. Features Ergonomic design: Ergonomically shaped mini earbuds provide long time comfortable wearing. Long battery life: The new and improved lithium polymer battery allows seamless enjoyment of music for up to 4 hours on a single charge and 100 hours of stand-by time. Hands-free call: Built-in mic makes chatting with family and friends a breeze. Bluetooth 4.2: Connect seamlessly to all Bluetooth enabled devices up to 30 feet away. Multi-point connection: It can connect to 2 different devices simultaneously. Automatically reconnect: Auto searching and connecting with Bluetooth devices for easier operation. Specifications Mic Yes Bluetooth Version 4.2 Transmission Range 10m Talk Time 3-4 h Standby Time 120h Battery Li-polymer battery Package Contents 1 x Pair of Earbuds, 1 x Charging Cable, 1 x Manual