Havit E553BT Freego Pro Open Ear Air Conduction Headphones, green

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