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

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