Havit H655BT - Bluetooth wireless headphones, black

Safety warning: Avoid contact with water., Do not use while charging., Keep away from heat sources. | Frequency response (music mode): 20 - 20000 Hz | Noise reduction level: Up to 35 dB | Microphone noise-canceling: Yes | Game mode: Yes | Battery capacity: 700 mAh | Wearing style: Head-band | Continuous audio playback time: 76 h | Battery type: Built-in battery | Battery recharge time: 1,5 h | Headphone sensitivity: 102 dB | USB connector: USB Type-C | Product type: Headphones | Wireless range: 10 m | Bluetooth version: 5.3 | 3.5 mm connector: Yes | Bluetooth profiles: SPP | Bluetooth profiles: AVDTP | Bluetooth profiles: AVRCP | Bluetooth profiles: A2DP | Bluetooth profiles: AVCTP | Bluetooth: Yes | Bluetooth profiles: HFP | Product colour: Black | Recommended usage: Calls/Music | Driver unit: 4 cm | Impedance: 32 Ω | Connectivity technology: Wired & Wireless | Noise reduction: Yes | Microphone type: Built-in | Market segment: Consumer | Noise canceling type: Active