The KAKU KSC-554 is a wireless in-ear headset designed for those who need reliable hands-free communication during office work, travel, or driving. It features an ear hook design that secures the device over the outer ear, ensuring it stays firmly in place even when you are on the move. Equipped with Bluetooth 5.0, this lightweight accessory maintains a stable connection within a range of 10 meters and weighs only 11 g for comfortable long-term wear. The built-in microphone allows you to handle calls without holding your phone, while the 150 mAh battery provides up to 10 hours of continuous use on a single charge, making it dependable for a full workday in black.