The Jack Bluetooth(r) speaker and wireless charging pad is perfect for the office or home. The 2 watt output of the speaker produces crystal clear sound. Plus the top part of the speaker is a wireless charging pad! Capable of charging any wireless charging 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(r) working range is 10 meters. Bluetooth(r) version 4.2.