• Calus TF-20 multifunctional power bank with wireless headset and multimedia player. • 6000mAh power bank capacity for charging your devices on the go. • 2.8-inch screen for displaying information and multimedia content. • Wireless headset included for hands-free calling and listening to music. • Range of 7-10 days indicates standby time, not continuous usage. • Includes children's games pre-installed. • Can be used as a multimedia player.