The perfect companion for your mobile and UC calls. Experience incredible sound and stay connected – on the road, at the office, or at home. Works with any Bluetooth enabled mobile phone or PC using the USB dongle. Product Type: Headset - wireless - Bluetooth - NFC Recommended Use: Portable electronics, computer Headphones Form Factor: In-ear Connectivity Technology: Wireless - Bluetooth Bluetooth Version: Bluetooth 4.0 EDR Impedance: 32 Ohm Microphone: Built-in Controls: Volume, on/off, answer/end Manufacturer Warranty: 1 year warranty Product Type: Headset - Bluetooth - NFC Width: 0.6 in Depth: 2.6 in Height: 1 in Weight: 0.28 oz Recommended Use: Portable electronics, computer Headphones Form Factor: In-ear Connectivity Technology: Wireless - Bluetooth Available Microphone: Yes Bluetooth Version: Bluetooth 4.0 EDR Bluetooth Profiles: Hands Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) Noise Canceling Technology: Noise Blackout Impedance: 32 Ohm Diaphragm: 0.4 in Audio Input Details: Omni-directional - 300 - 3400 Hz Controls: Volume, on/off, answer/end Transmission Range: 98 ft Connector Type: USB (5 pin Micro-USB Type B (power only)) Included Accessories: Car power adapter, USB dongle, 2 earhooks, 2 EarGels ear tips Compliant Standards: Plug and Play, GOST, IC, FCC, RoHS, REACH Power Device: Power adapter - external Voltage Required: AC 120/230 V (50/60 Hz) Battery: Headset battery rechargeable Run Time (Up To): 6 hour(s) Standby Time: 240 hours Recharge Time: 2 hour(s) Service & Support: Limited warranty - 1 year