Wirelessly listen to your favorite music while traveling, working out, or on the go with these Premium Virtual Surround Sound Bluetooth On-the-Ear Headphones with aptX from Monoprice!These headphones are the perfect companion for any music lover. The headphones are collapsable for easy transportation and utilize Bluetooth version 4.0 to sync with your iPod iPhone, Android phone, or other media device that uses Bluetooth to give you the freedom to move while you rock out. The earpieces are composed of 2 woofers (50mm, 32 Ohms) and 6 3D speakers (13mm, 16 Ohms), ensuring a rich audio experience with incredible range.The headphones are rechargeable via Micro USB, and have a built-in 650mAh battery to give you up to 25 hours of playtime when using Bluetooth. You can also use the included 3.5mm AUX cable to plug directly into your PC, laptop, tablet, phone, or other media device when needed. They also feature a Volume Up and Volume Down button for convenient volume adjustment and incorporate a Multifunction button on the headphones; so you can pause and resume your music without having to remove your device from your pocket.*** 30-day easy returns. No restocking fee. Free lifetime technical support. 1 year warranty. ***