Havit E553BT Open Ear Air Conduction Headphones, black

Product type: Headset | Height: 57.3 mm | Battery capacity: 110 mAh | Bluetooth range: 10 m | Recommended usage: Music / calls | Connectivity technology: Wireless | Bluetooth: Yes | Volume control: Button | Talk time: 9,5 h | Length: 140 mm | Wearing style: Head-band | USB Type-C ports quantity: 1 | Driver diameter: 15 mm | Package contents: Headphones | Input voltage (earpieces): 5 V | Warnings: Keep away from children. | Warnings: Do not use near sources of heat or flame. | Width: 105 mm | Headphone frequency: 20 - 20000 Hz | Control type: Buttons | Continuous audio playback time: 16,5 h | Battery recharge time: 2 h | Headset type: Binaural | USB charging: Yes | Bluetooth version: 5.3 | Microphone type: Built-in | Product colour: Black | Weight: 23.1 g | Warnings: Regularly check the condition of the batteries to prevent leaks. | Product colour: Grey | Ear coupling: Air conduction