Havit E553BT Open Ear Air Conduction Headphones, black

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