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

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