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

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