Colorful Wireless Bluetooth Speaker Portable $ 0.00 Product Information: Type: Bluetooth Speaker Connection Method: Bluetooth Connection Battery Capacity: 500 mA Frequency Response Range: Other Output Power: 5W Signal to Noise Ratio: 70db Power Supply Mode: Built-in Lithium Battery Channel: 2 Playing Time: 2-3 Hours Expansion Storage: 16GB Bluetooth Protocol: 3.0 Number of Speakers: 1 Effective Distance: 10 meters Function: Card, Radio, Voice Prompt, Call Function Operation Mode: Button Applicable People: General Display: None Play Format: MP3 Shell Material: Plastic