HOPESTAR Party Box 150 40W Outdoor Portable IPX5 Waterproof Bluetooth Speaker 1. Built-in DSP Chip: Intelligent noise reduction and built-in reverb enhance sound quality. 2. Fast and Stable Wireless Connection: Utilizes 5.3 wireless technology for quicker, more reliable transmission with anti-interference capability. 3. Portable Design: Equipped with a handle, making it easy to carry, perfect for outdoor activities. 4. Built-in Microphone: Features a professional DSP chip that uses precise algorithms to reduce feedback and noise. 5. Outdoor Protection: Includes a metal mesh cover, waterproof and dustproof, suitable for various environments. 6. TWS Interconnect: When TWS are connected, surround sound creates an immersive party scene. 7. Parameter: Wireless standard: 5.3 Transmission distance: 10m Output power: 40W Play time: 6-8 hours Frequency: 80Hz-20KHz Waterproof level: IPX5 Speaker: 4 Ohm 20Wx2 Input power: 5V 2A Battery capacity: 8800mAh Interface: 3.5mm Size: 292x132x147mm Weight: 1720g