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

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