The Jack Bluetooth speaker and wireless charging pad is perfect for the office or home. The 2 watt output of the speaker produces crystal clear sound. The top part of the speaker is a wireless charging pad capable of charging any compatible device. The built – in 500 mAh battery will keep the music playing for over 2.5 hours. Charging time is 2 hours. The Bluetooth working range is 10 meters. Bluetooth version 4.2.