This headphone has a high bass with surround sound with in-built memory card slot so that you can play song with your memory card. This headphone also has an in built FM radio so you can enjoy FM also. This headphone is wireless so you play song with bluetooth device or your smart phone. It has a long battery backup and if battery is not charge you can attach your smart phone with 3.5 mm jack aux cable with this headphone. This headphone has a calling button so you can attend your incoming call or reject your call with just a single touch.