Havit E553BT Freego Pro Open Ear Air Conduction Headphones, green

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