Bluetooth® 4.1 Compatible Headset Voice & Call Compatible BUFFALO | Buffalo Headset Black BSHSBE200BK [Wireless (Bluetooth) / Single Ear / Ear Hook Type] [BSHSBE200BK] ■ Compatible with calls, music, and full-segment/one-segment viewing ■ HD Voice compatible for high-quality VoLTE calls ■ Voice control for Siri / Google Now, etc. ■ Equipped with CVC (Clear Voice Capture) sound quality improvement technology ■ Rechargeable with USB microB cable ■ Can simultaneously standby for two smartphones ■ Records device information for up to 8 devices ■ Earphone type that does not go deep into the ear ■ Compliant with RoHS standards ▤▥▦▧▨▩▤▥▦▧▨▩▤▥▦▧▨▩▤▥▦▧▨ ◪ Body size: 53 x 15 x 25mm ◪ Body weight: 8g ◪ Accessories: Charging USB cable Micro USB Type-B (2.0) ◪ 【Head】Maximum input 100mW ◪ 【Head】Volume control: Yes ◪ Main compatible devices: Bluetooth-compatible devices (smartphones, mobile phones, PCs, tablets), PlayStation 3 (firmware ver. 3.15 or later) ◪ Bluetooth standard: Bluetooth Ver 4.1 + EDR class 1 backward compatible ◪ Continuous talk time (Bluetooth): Approximately 5.8 hours maximum ◪ Continuous playback time (Bluetooth): Approximately 5.4 hours maximum ◪ Maximum number of registered devices (Bluetooth): 8 ◪ Charging time (Bluetooth): Approximately 2 hours ◪ Regular price: 2,990 yen ▤▥▦▧▨▩▤▥▦▧▨▩▤▥▦▧▨▩▤▥▦▧▨ I was planning to use it for meetings, lectures, and training sessions, but I am currently using a different brand. It is in a near-unused condition, having only been tried on.