Purchase Qty. Reference FOB Price
100-299 Sets US$105.00
300-499 Sets US$95.00
500-999 Sets US$90.00
1,000+ Sets US$85.00
Product Description
130nm digital signal processing chip 4-channel automatic volume control (WDRC) Blutooth 5.0, working with Phone (both andriod and ios), PC and Pad. Middle-power output with low distortion Adaptive feedback cancellation Layered Noise Reduction Automatically saving volume &mode Multiple ...