Havit E510BT Freego1 Air Open Ear Air Conduction Headphones, black

Warnings: Keep away from children. | Product colour: Black | Width: 98.6 mm | Driver diameter: 16,2 mm | Warnings: Regularly check the condition of the batteries to prevent leaks. | Bluetooth version: 5.3 | Package contents: Headphones | Package contents: USB type C cable x 1 | Warnings: Do not use near sources of heat or flame. | Length: 130,5 mm | Recommended usage: Music / calls | Bluetooth range: 10 m | Battery capacity: 110 mAh | Product type: Headset | Impedance: 32 Ω | Bluetooth: Yes | Height: 47.5 mm | Weight: 22 g | Battery recharge time: 2 h | Talk time: 10 h | Connectivity technology: Wireless | Ear coupling: Air conduction | Input voltage (earpieces): 5 V | Headphone frequency: 20 - 20000 Hz | Wearing style: Head-band | Continuous audio playback time: 12 h | Volume control: Button | Headset type: Binaural | Control type: Buttons | Microphone type: Built-in