This is the ELECOM Bluetooth wireless headset "LBT-HS11BK (Black)". It has only been opened and used, and the box and all accessories are included. Lightweight and comfortable for long periods of wear. It easily connects to smartphones, PCs, and tablets, making it ideal for telework, driving, online meetings, and business calls. 【Main Features】 ・Bluetooth compatible (smartphone, PC, tablet OK) ・HD Voice for clear, high-quality calls ・Approximately 100 hours of continuous standby time, long battery life ・Can be worn on either the left or right ear ・Comes with two types of ear caps ・Lightweight & ear-friendly design ・USB charging cable included 【Accessories】 ・Headset body (black) ・Ear hook ・Ear caps (2 types) ・USB charging cable ・Outer box