Jabra BT8010 convertible mono to Bluetooth stereo headset. By Jabra.

• Bluetooth compliance: Bluetooth 2.0 specifications. Jabra BT8010 is compatible with other Bluetooth devices with Bluetooth 1.1 (or higher) specifications
• Supported Bluetooth profiles: Bluetooth headset and hands-free profiles as well as Advanced Audio Distribution Profile (A2DP) and Audio Video Remote Control Profile (AVRCP)
• 10 meters Operating range, up to 10h/6h talk time, up to 300hr stand-by time
• Approximately 2 hours charging time
• Material: TPE, polycarbonate (PC), thermoplastic polyurethane (TPU), Acrylic Butadiene Styrene (ABS)
• Microphone type: 4mm Omni-directional microphone
• Battery type: Rechargeable lithium polymer
• Pairing passkey or PIN: 0000
• Supported special features (* Phone dependent, *** To have the benefit of stereo sound and remote control of the headset, your other Bluetooth device must support these profiles): Answer/end/reject a call*, call waiting*, last number redial*, voice dialing*, play/pause/stop, next track, volume control, multipoint (2 pairings – 2 connections), phonebook can store up to 30 contacts**, OLED (Organic Light Emitting Diode) scrollable display, DSP (Digital Signal Processing) reduces background noise/automatic volume control, Bluetooth 2.0 supporting A2DP (Advanced Audio Distribution Profile) and AVRCP (Audio Video Remote Control Profile) profiles, headset (HS) and hands-free (HF) profiles***