Features:

• Strong welding sound quality effect, super bass
• Automatically search bluetooth,10M and below thereceiving distance
• Support MP3, WMA format music files
• Support TF card, Bluetooth with call, file playback
• Support external MP3/MP4/ computer audio inputfunction (AUX)

Specification:

• Output speaker: 5W
• Separation degree: ≥90dB
• SNR: ≥80dB
• Working voltage: DC 3.7V
• Battery: 18650:1500mAh
• Battery working time: 4H
• Speaker *1 size: 52*1
• Built-in bass radiator: 65mm*1Package includes:1 * Bluetooth Speaker 1 * USB Data Cable