HOPESTAR P66 5W Portable Wireless Bluetooth Speaker Features: 1. Exquisite and compact, portable hand strap design, easy to carry when going out. 2. IPX6 waterproof design, outdoor carnival without fear of rain. 3. Colorful RGB light effect, full of atmosphere. 4. New color combinations to create your own fashion style. 5. Support MP3 and WMA music files. 6. Supports TF card, Bluetooth, and file playback. 7. Supports external MP3MP4computer audio input function (aux). 8. Support 1+1 device serial port connection function. Parameters: 1. Wireless standard: 5.3 2. Connection distance: 10m 3. Output power: 5W 4. Output speaker: 4 ohm 5W 5. Signal-to-noise ratio: greater than or equal to 80dB 6. Battery type: 18650 lithium-ion battery 7. Battery capacity: 1500mAh 8. Play time: 4-6H 9. Input power: 5V 1A 10. Audio signal input interface: standard 3.5mm headphone interface (stereo) 11. Product size: 92x92x104mm 12. Product weight: 450g