Havit TW974 ModernBuds Bluetooth Headset Head-band Black

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