Experience an immersive music experience with the Philips BT3500B/00 Bluetooth Speaker. The one-touch NFC feature lets you pair Bluetooth devices easily. With the Bluetooth function, it can be connected to smartphones and other compatible devices. The Anti-Clipping feature lets you play music at higher volumes even when the battery is low. With its built-in microphone, this speaker works as a speaker phone. It allows you to answer and make calls. The built-in rechargeable battery lets you enjoy long hours of non-stop music. Compatibility: iPad - iPad 1, iPad 2, new iPad, iPad mini, iPad with Retina display. iPhone: iPhone 3, iPhone 3GS, iPhone 4, iPhone 4S, iPhone 5, iPhone 5C, iPhone 5S. iPod touch: 3rd generation or later. Android tablets and smartphones: With Android 2.1 and Bluetooth 2.1 or above, Work with: Bluetooth 4.0 or below, Other Bluetooth-enabled device, Operating time on battery: 5 Hours, Battery type: Li-polymer (built-in). Connectivity: Bluetooth profiles - A2DP, AVRCP, HFP, Audio in (3.5 mm), USB charging, Built-in microphone: for speaker conference, Sound System - Stereo. Loudspeakers: Speaker drivers - 2 x 2 (5.08 cm).