This is the ELECOM Bluetooth hands-free headset "LBT-HS11BK". This single-ear type easily connects to smartphones and PCs, making it ideal for calls and telework. It features HD Voice for clear sound quality and a long-lasting battery with a maximum of 100 hours of standby time. [Condition] Opened, but in excellent condition. Operation confirmed and cleaned. Minor scratches on the box (see photos). Accessories: Ear hook, 2 types of ear caps, outer box. [Specifications] ・Model Number: LBT-HS11BK (Black) ・Bluetooth Ver. 2.1 + EDR compatible ・Talk Time: Approximately 6 hours ・Standby Time: Approximately 100 hours ・HD Voice compatible ・Compatible with both right and left ears ・Weight: Approximately 10g