Easy to Use Control your Fabric speaker with easy access buttons Play/ Pause, Volume-UP, Volume-Down, Play previous track, Play Next Track. Auxiliary Mode Using the cable provided plug the aux cable into your device & the aux port at the back of the SZ300. superb Sound & Volume 2x 3 Watt Speakers, offering distortion free stereo sound. Fabric Cover Attractive coloured fabric that cover the speaker for a stylish design. Hand Strap Making your speaker portable with a faux leather hand strap. Smart Connectivity Bluetooth version V4.1 that offers a high quality bluetooth sound compared to lower versions & the data transfer is enhanced. 8 Hours Continue Play High quality 750mah battery that can deliver up to 10 hours of play time, at 40% volume on a single charge. Compatibility The Sound Z SZ300 Bluetooth Speaker connects with All Bluetooth Devices Including iPhone 7/7 Plus, 6s/ Plus, iPad, iPod & Samsung Galaxy S7 Edge, HTC & Android Phones. Specifications Output power: 3W*2 Battery Capacity: 300m Ah Input power: DC 5V The largest current consumption: (inside sound) 100m A (outside sound) 250m A Frequency response: 90HZ 18KHZ Sensitivity: 500m V+-50m V Signal to noise ratio: >70db The distortion degree: .3% Charging time: 3 hours Bluetooth Version: 2.1