Purchase Qty. Reference FOB Price
100-299 pair US$105.00
300-499 pair US$103.00
500-999 pair US$100.00
1,000+ pair US$95.00
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 ...