Features:     A high-resolution digital delay effect pedal with multi tap and saturation tone, 800ms delay range.         Ultra low noise, high performance 96kHz/ 24bit A/D and D/A converters; 100dB typical dynamic range.         Zero latency analog routing for super audio performance; 30bit floating point processing with high performance DSP core.         Supports buffer bypass or true bypass selection to get the best performance.         Supports tap tempo function, and with micro USB port for firmware upgrade.           Control Knobs:     TIME-- adjusts the delay time         REPEAT-- controls the number of echo repeats         MIX-- adjusts the volume of the effect sound           Specifications:     Material: metal         Input: 1/4'' mono jack         Output: 1/4'' mono jack         Power Supply: DC 9V center negative power adapter(not included)         Item Size: 9.5 * 4.2 * 3.5cm / 3.7 * 1.7 * 1.4in         Item Weight: 175g / 6.2oz         Package Size: 11.7 * 6.6 * 6.6cm / 4.6 * 2.6 * 2.6in         Package Weight: 255g / 9oz           Note:     Power adapter is not included.         Please use the DC 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.         Firmware upgrade website: //www.nuxefx.com/show-70-2-1.html           Package List:     1 * Effect Pedal         1 * Users' Manual(English & Chinese)