Havit TW974 ModernBuds Bluetooth Headset Head-band Black

Warnings: The product contains batteries which must be disposed of correctly. | Warnings: Do not disassemble or modify the product yourself. | Warnings: Read the user manual before use. | Product colour: Black | Product type: Headphones | Continuous audio playback time: 4.5 h | Headphone frequency: 20 - 20000 Hz | Battery capacity (charging case): 400 mAh | Bluetooth: Yes | Battery capacity: 25 mAh | USB port type: USB Type-C | Connectivity technology: Wireless | Wearing style: In-ear | Headset type: Binaural | Microphone type: Built-in | Headphone sensitivity: 102 dB | Impedance: 32 Ω | Weight: 3 g