K55 Wireless Bluetooth One Side Headset

K55 Bluetooth Clip on Headset BT 5.2 Talk Time 20 Hour Auriculares Earphone Driver retractable headphone hands-free blues to ear Talk time: 20 hours Music Time: 20 hours Standby time: 180 hours (Power Off 180 days) Bluetooth: Yes BT version: V5.2