Waterproof and Bluetooth Speaker
• High quality driver unit: 1.5" x 2
• RMS: 3W x 2
• 2300 mAh good quality battery
• Support power bank function
• Charging time: 7 hours by pure USB
3-4 hours by≥0.5A adaptor
• Music running time: >6 hours
• Dimension(mm): 187 x 67 x 54