Gembird Warszawa Headset Wired & Wireless Head-band Calls/Music Micro-USB Bluetooth Black

Product type: Headset | Battery technology: Lithium-Ion (Li-Ion) | Bluetooth: Yes | Microphone type: Built-in | Bluetooth profiles: AVRCP | Microphone sensitivity: -42 dB | 3.5 mm connector: Yes | Impedance: 32 Ω | Headphone frequency: 20 - 20000 Hz | Bluetooth version: 4.2 | Wireless range: 10 m | Battery operated: Yes | Headset type: Binaural | Rechargeable battery: Yes | 2.5 mm connector: No | Volume control: Button | Detachable cable: Yes | Bluetooth profiles: A2DP | Connectivity technology: Wired & Wireless | Wearing style: Head-band | USB connectivity: Yes | Product colour: Black | Bluetooth profiles: HSP | Battery capacity: 250 mAh | Continuous audio playback time: 6, 500 | Bluetooth profiles: HFP | Recommended usage: Calls/Music | USB connector: Micro-USB | Warnings: Do not disassemble or modify the product yourself.