Bone Conduction Waterproof Wireless Ear Hook with Bluetooth 5.0 Color:gray 15" 16") expand the two

15" 16") expand the two USB C ports on for MacBook Pro/Air into eight: 2 HDMI-compatible 4K ports

Data line length: 80CM/31

Microphone: Removable for Left and Right Side

Feature 6 Has 399 call extensions

Style: Standing and Wall Hanging

Bone Conduction Waterproof Wireless Ear Hook with Bluetooth 5.0 Color:gray 15" 16") expand the twoStyle: Neckband Certification: CE Sound: Dynamic Control Button: Yes Active Noise Cancellation: Yes Communication: Wireless Volume Control: Yes Wireless Type: Bluetooth Support APP: Yes Function: Sport Connectors: None Waterproof: Yes With Microphone: Yes Function: Call function support music Package Included: 1*Earphone 1* Charging cable 1 * Manual