Polaroid PBT83BK Universal Wireless Tangle Free Bluetooth Headphones with Mic Compatible with All Bluetooth Devices (Black) Works with All Bluetooth Devices Including: Android Smartphones & Tablets, iPhone 4/4S/5/5S/5C, Kindle Fire HD, iPad 3/4/Air, Galaxy S3/S4/S5, Nexus 4/5/7, iPad Mini, Galaxy Tab 3, Laptops. Connectivity Technology : Wireless Built-in Microphone with Noise-Cancellation Technology, Answer Calls While Listening to Music Integrated Bluetooth Wireless Technology, Multi-point Enables Active Connection with 2 Mobile Phones Rechargeable Lithium-Ion Battery, Up to 4 Hours Talk / 100 Hours Standby Time Polaroid - Instantly Recognizable, Instantly Reassuring. Lets You Know You've Purchased A Product That Exemplifies The Best Quality Of Our Brand