SportX3 - Portable Wireless Bluetooth Speaker + Premium Audio Quality with Hands Free Speakerphone. OVERVIEW: Features Bluetooth v 4.0 that can quickly sync and automatically pair to your device within seconds. Bluetooth 4.0 improves the quality and clarity of the sound. It also features a built-in microphone for hands free calling. COMPATIBILITY: Apple iOS devices including iPhone 6, 6 Plus, 5S, 5C, 5, 4S, 4; iPad 4 with Retina Display, Air and 3,2,1; iPod shuffle, iPod Touch and other OSX products such as iMac, Macbook Pro, Macbook Air, laptops and desktops. Android OS models such as Samsung Galaxy S5, S4, S3, Note 3; HTC Droid, Google Nexus, Nokia, Motorola and other tablets / Amazon Kindle Fire HD / Amazon Firephone / PC Desktop Computers (PC compatibility may vary). SPECIFICATIONS: Bluetooth Version 4.0. Playback Time: 12 Hours (with BT wireless connection). Line-In Feature: 16 Hours of Use. Charge Time: Approximately 3 Hours (Comes w/ Charger). Wireless Streaming Range: Up to 30 Feet. On/Off Switch to switch between Bluetooth and Line-In Mode PACKAGE CONTENTS (Retail Packaging): 1x Bluetooth 4.0 sporty speaker, 1x USB charging cable, 1x user manual, 1x AUX 3.5mm cable. WARRANTY: All Mt. Tam Gear products come with a 1-year warranty. Mt. Tam Gear also has a 100% customer satisfaction guarantee, and wants every customers experience with us to be a positive one regardless of their purchase decisions.