PRICING INCLUDES FREE FREIGHT! These single earbud come with a working microphone and are compatible to both iOS and Android. Color is Black. With a full charge battery, listen to audio at 30-40% volume for 3.5 hours or talk for 3-4 hours. Instantly connect to your devices from up to 33 feet away. Included is a rechargeable large capacity lithium battery. Takes only 1 hour to fully charge. Battery status is displayed on the bluetooth device. Lithium battery is included.