Esperanza EH220 Bluetooth headphones Headband, Black

Bluetooth version: 5.0 | Product colour: Black | Bluetooth: Yes | Battery recharge time: 2 h | Wireless range: 10 m | Battery capacity: 200 mAh | Battery technology: Lithium Polymer (LiPo) | Connectivity technology: Wireless | Power requirements: 5V DC | Driver unit: 4 cm | Frequency response: 30-16000 Hz | Wearing style: Head-band | Headset type: Binaural | Microphone sensitivity: -42 dB | Headphone frequency: 20 - 20000 Hz | Impedance: 32 Ω | Bluetooth profiles: HSP | Talk time: 7 h | Headphone sensitivity: 105 dB | Continuous audio playback time: 5 h | Bluetooth profiles: A2DP | Bluetooth profiles: AVRCP | Bluetooth profiles: HFP