Esperanza Libero EH163K Headset Wireless Head-band Music Mini-USB Bluetooth Black

Bluetooth profiles: HFP | Product colour: Black | On/off switch: Yes | USB connector: Mini-USB | Weight: 168 g | Continuous audio playback time: 4 h | Ear coupling: Circumaural | Impedance: 32 Ω | Talk time: 10 h | Audio output channels: 2.0 channels | Product type: Headset | Microphone type: Not available | Battery capacity: 300 mAh | USB connectivity: Yes | Bluetooth profiles: A2DP | 2.5 mm connector: No | Foldable: Yes | 3.5 mm connector: No | Bluetooth profiles: AVRCP | Driver unit: 4 cm | Headset type: Binaural | Bluetooth: Yes | Operating keys: Multi-key | Charging voltage: 5 V | Width: 180 mm | Battery technology: Lithium Polymer (LiPo) | Bluetooth version: 3.0+HS | Bluetooth profiles: HSP | Connectivity technology: Wireless | Depth: 80 mm | Wearing style: Head-band | Rechargeable battery: Yes | Height: 140 mm | Battery operated: Yes | Headphone frequency: 20 - 20000 Hz | Wireless range: 10 m | Recommended usage: Music | Charging source: USB