Universal 3.5mm Jack Wired Volume Control Earphone 15 inch laptop sleeve support TF card: 32G (not

support TF card: 32G (not include TF card)

Diameter of thermal conductor:Less than15 mm

280x165x295mm/ 11

Usage:Stopwatch

It is made of high quality material

Universal 3.5mm Jack Wired Volume Control Earphone 15 inch laptop sleeve support TF card: 32G (notFunction: For Mobile Phone,Sport,Common Headphone Sensitivity: 123dB Support APP: No Active Noise Cancellation: No Is wireless: No Support Apt x: No Volume Control: Yes Support Memory Card: No Wireless Type: None Connectors: None Waterproof: No Communication: Wired Vocalism Principle: Dynamic Line Length: 1. 0m With Microphone: Yes Control Button: Yes Resistance: 9 Style: Ear Hook Frequency Response Range: 8 22000Hz Plug Type: Line Type Function: