Portable Wireless Speaker AK-133

Specifications:

• Rated output: 3W
• Speakers: 4Ω, 3W, ϕ52mm
• Battery: 3.7V 800mAh
• Wireless version: 5.0
• Input power: DC 5V, 1000mAh
• Playing time: 3 Hours
• Signal to noise ratio: -75db – 95db
• Distortion: Less than 1%
• Frequency response: 100Hz- 18KHz
• Audio input: USB, TF