Features & Specifications of ACEFAST K4 Go Portable Wireless Speaker

 Key Features:

• Portable Wireless Speaker
• 5W Power
• Support TWS Interconnection
• Portable Strap
• IPX7 Waterproof

Specifications:

• BT Version: v5.4
• Transmission Distance: ≥10m
• Frequency Response: 60Hz-20000Hz
• Battery Capacity: 900mAh / 3.7V
• Input: DC 5V⎓86A (USB-C)
• Charging Time: Up to 1.5 hours
• Working Time: Up to 8 hours (music mode) (All measures are made under 50% volume level)
• Speaker Unit: 1 speaker unit + 1 diaphragm (1 full-range speaker unit [45×45mm], 1 passive Diaphragm [35×60mm])
• Speaker Rated Power: 1×4W
• Speaker Peak Power: 1×5W
• Waterproof Rating: IPX7