KEY is the in-ear Bluetooth TWS earbud with a sleek and pocket-sized design. With a total battery life of 16 hours, it offers prolonged and reliable listening. The charging case features an LED display indicating the remaining battery percentage, so you always know when to recharge using the included USB-C cable. Thanks to True Wireless Technology, you can connect both Bluetooth earbuds simultaneously. The Double Master function allows you to answer calls by using either the left or right earbud interchangeably. The Autopairing feature ensures automatic connection between the earbuds when removed from the case. Touch controls allow you to manage calls, music, and volume easily. KEY is the ideal choice for those seeking convenience, advanced technology, and audio quality in a compact format.