GranVela Q8 Wireless Bluetooth Headphones,Multifunction Foldable Headset with FM Radio, TF Card Player,Microphone and 3.5mm Detachable CableFor Kids and Adults - Green HI PERFORMANCE: 40mm Magnetic Neodymium Drivers deliver clear high and deep bass. You can choose different sound mode like ROCK/POP/CLASSIC/JASS/ BLUE/HALL/BASS/ SOFT/ COUNTRY/OPERA (Press EQ Key). RECHARGEABLE: Built-in rechargeable Lithium battery lasts up to 8-10 hours of music play time, universally compatible with most Bluetooth-enabled phones. Works for iPhone, iPad, Android and Smartphones etc. With 5 Minutes of fast charging you can listen for up to 1 Hour. MULTIFUNCTION : Bluetooth/ Micro SD/TF Card Music Player/ FM Stereo Radio/ 3.5mm Jack/Instant Music Sharing With 3.5mm Cables COMFORTABLE and SAFE: Soft leatherette earpads ensure comfortable wearing. The headband is Adjustable in length to fit all people. Volume limiting to 93db max for children when listening by bluetooth or TF card. Volume limited to 108dB max for adults with wire. PACKAGES: 1 Headphones,1 USB Rechargeable Cable,1 audio cable with 3.5mm Jack and User Manual.