Purchase Qty. Reference FOB Price
100-299 Sets US$90.00
300-499 Sets US$85.00
500-999 Sets US$80.00
1,000+ Sets US$75.00
Product Description
Can connect to Bluetooth audio Intelligent APP control The charging box has the function of storing electricity Rechargeable 130nm digital signal processing chip 4-Channel Automatic Volume Control (WDRC) Medium power output, low distortion Adaptive feedback elimination Layered noise ...