Jabra Steel is an industrial strength headset made for trade workers. Whether you are on-site and covered in dirt, or on a scaffold in the high winds, Jabra Steel will keep you connected in any of the rough environments that you find yourself in. Product Type: Headset - wireless - Bluetooth - NFC Recommended Use: Portable electronics Headphones Form Factor: In-ear Connectivity Technology: Wireless - Bluetooth Headphones Technology: Dynamic Bluetooth Version: Bluetooth 4.1 EDR Sound Output Mode: Mono Impedance: 16 Ohm Controls: On/off, answer/end, redial Manufacturer Warranty: 5 years warranty Product Type: Headset - Bluetooth - NFC Width: 0.6 in Depth: 2.8 in Height: 1 in Weight: 0.35 oz Body Material: Polycarbonate Recommended Use: Portable electronics Protection: Waterproof, shockproof, dust resistant Headphones Form Factor: In-ear Headphones Technology: Dynamic Connectivity Technology: Wireless - Bluetooth Available Microphone: Yes Bluetooth Version: Bluetooth 4.1 EDR Bluetooth Profiles: Hands Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Phonebook Access Profile (PBAP) Sound Output Mode: Mono Impedance: 16 Ohm Diaphragm: 0.4 in Frequency Response: 300 - 3400 Hz Audio Input Details: Omni-directional - 300 - 3400 Hz Controls: On/off, answer/end, redial Transmission Range: 98 ft Connector Type: USB (5 pin Micro-USB Type B (power only)) Cables Included: USB charge cable - detachable Included Accessories: 2 earhooks, 3 EarGels ear tips, 2 windsocks Battery: Headset battery rechargeable Run Time (Up To): 6 hour(s) Standby Time: 240 hours Recharge Time: 2 hour(s) Service & Support: Limited warranty - 5 years