Esperanza EH220 Bluetooth headphones Headband, Black

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