Each set includes 2 wireless earbuds, 1 dock case for storage and charging, 1 USB-to-DC charging cable, and 1 Micro USB charging cable Packaged in a peggable box Dock case measures 2.5 inches by 2 inches Color: black Bluetooth® Version 4.2 Built-in microphone Earbuds quickly charge inside of case Holds up to 4 complete charges Precision engineered sound Battery: 50mAh x 2 Dock battery: 400mAh Standby: 40 hours Output: 5V-800mAh Input: 4.3V-5.5V, 1A