Havit E553BT Freego Pro – Open Ear Air Conduction Headphones, green

Width: 105 mm Height: 57.3 mm Length: 140 mm Weight: 23.1 g Product colour: Black Product type: Headset Headset type: Binaural Recommended usage: Music / calls Control type: Buttons Wearing style: Head-band Volume control: Button Package contents: Headphones Bluetooth version: 5.3 Bluetooth: Yes Connectivity technology: Wireless USB Type-C ports quantity: 1 Bluetooth range: 10 m Battery capacity: 110 mAh Battery recharge time: 2 h Talk time: 9,5 h USB charging: Yes Input voltage (earpieces): 5 V Continuous audio playback time: 16,5 h Microphone type: Built-in Warnings: Keep away from children. Ear coupling: Air conduction Headphone frequency: 20 - 20000 Hz Driver diameter: 15 mm