Description: LED Light Flashing 3.5mm Stereo In-ear Earphone Headphones design It has in-built Microphone that supports hand-free talking The earphone cables display flashing lights with the rhythm changes and create a very cool effect 3.5 mm plug is compatible with all music players that have standard earphone socket, like: MP3/MP4/MP5 player, Mobile phone, PC, Laptop, Tablet, Walkie Talkie, DVD player or Gaming device, CD, etc. Soft sillicon material,wear comfortable,not easy to fall Specification: Sensitivity: 95 db + / - 3 db Frequency corresponding: 20-20khz Charge limit voltage: DC from 5.0V to 5.25V Built-in Lithium Ion Battery (180mA/h) Working time:2-3h Charging time:1h Pin: 3.5 mm Length:1m Color:Green Package Includes: 1 Piece luminous headphone