Jill speaker and wireless charging power bank. The Jill Bluetooth® Speaker and wireless charging power bank combines two of the most popular trends in technology: wireless audio and wireless charging. The Jill is packed with a 4000 mAh battery that can keep your audio playing for over 10 hours at max volume! The 4 watt speaker output will certainly fill your office or room with premium sound quality. The top part of the speaker features a silicone pad that is a wireless charging power bank. Meaning that no wires need to be connected to the speaker to charge your wireless charging enabled phone. Includes micro USB charging cable for charging the Bluetooth® speaker. Built in music controls and microphone for hands free operation. Charging time is 5 hours and Bluetooth® working range is 10 meters. Bluetooth version 4.2. ABS plastic.