Havit E553BT Freego Pro Open Ear Air Conduction Headphones, green

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