F4 Super Bass Dual Dynamic Driver 3.5mm Wired In-Ear Earphone Earbuds Headset For Mobile Phones Black Video Games All kinds of standard test

All kinds of standard test probes can be used in the lever nuts

As we all know

WCDMA 3G Frequency Range Uplink: 1920~1990MHz Down Link: 2110~2180MHz Shade Of Color Gold Application Indoor

Model F100011 Quantity 1Charging Form Color White Material Plastic Charging Cell Type Others Charging Battery Type AA

Touch keys have been patented

F4 Super Bass Dual Dynamic Driver 3.5mm Wired In-Ear Earphone Earbuds Headset For Mobile Phones Black Video Games All kinds of standard testProduct Description Model Number: F4 Function: For Mobile Phone,Common Headphone Wireless Type: None With Microphone: Yes Is wireless: No Support APP: No Support Memory Card: No Support Apt x: No Waterproof: No Resistance: 16 Line Length: 1. 4m Frequency Response Range: 20 20000Hz Sensitivity: 105dB Plug Type: Line Type Active Noise Cancellation: Yes Volume Control: Yes Control Button: Yes Vocalism Principle: Dynamic Connectors: 3. 5mm Communication: