ZEALOT H19 TWS Bluetooth 5.0 Touch Wireless Bluetooth Earphone with Magnetic Charging Box, Support HD Call & Bluetooth Automatic Connection(White) Filter-Audio Optical Cables 4G RF wireless

4G RF wireless

The AR damping shaft can be rotated 360 degrees without dead angle

ThinkPad 235

Full opening height: 1500 mm

1/4 standard screw

ZEALOT H19 TWS Bluetooth 5.0 Touch Wireless Bluetooth Earphone with Magnetic Charging Box, Support HD Call & Bluetooth Automatic Connection(White) Filter-Audio Optical Cables 4G RF wirelessProduct specifications: 1. Bluetooth version: V5. 0+EDR. 2. Transmission distance: 10m. 3. Charging compartment battery capacity: 300mAh. 4. Headphone battery capacity: 25mAh. 5. Charging voltage: DC 5V. 6. Speaker: 16 ohms. 7. Frequency response: 100Hz 20KHz. 8. Output power: 10mW. 9. Signal to noise ratio: greater than or equal to 90dB. 10. Working voltage: 3. 7V. 11. Distortion: 1%. 12. Talk time: about 5 hours. 13. Music playback: about 5 hours.