VOL&BASS mbox Wireless Bluetooth Speaker 4.0 Powerful Sound, Ultra Portable with High Definition Drivers and 12 HR Battery Life, Best for iPhone/iPad/Samsung/Nexus Standard MP3 Players AUX and Phones Superior sound quality with full HD sound: Enjoy an impressively full stereo sound and robust bass realized through a 5W audio horn Great gift for any occasions with hour and hours of playtime with high definition surround audio Ultra portable pocket sized stereo powerhouse delivering size-defying sound you can take anywhere Bluetooth 4.0 technology means the most compatible connection across all platforms providing reliable, stable connections