JB.Lab HRS-20XB Wireless Bluetooth Speaker 60W working Time : 6Hours Power Supply : Built-in Rechargable Lithum Battery (2000mAh) Output Power : 60W Max / USB charing voltage: 5V-500mAh 1.5A Bluetooth : V 4.0 * operating distance: 10 M class II packing list: speaker 1pcs, USB cable 1pcs, english user manual 1pcs, pouch 1pcs, AUX cable 1pcs