CME H4MIDI WC - Page 35

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(BLE MIDI)
higher, Android 8 or higher
Wireless
transmission
Latency
As low as 3 ms
(Test results of two H4MIDI WC with WIDI Core installed based
on Bluetooth 5 connection)
Range
20 meters / 65.6 feet (without obstruction)
Firmware
upgrades
Wireless upgrade via Bluetooth using the WIDI App for iOS or
Android
Weight
4.4 g / 0.16 oz
Specifications subject to change without notice.
FREQUENTLY ASKED QUESTIONS
⚫ The LED light of H4MIDI WC does not light up.
‐ Please check whether the USB socket of the computer is powered, or
the power adapter is powered.
‐ Please check if the USB power cable is damaged, or the polarity of the
DC power supply is wrong.
‐ When using a USB power bank, please choose a power bank with Low
Current Charging mode (for Bluetooth earbuds or smart bracelets, etc.)
and does not have an automatic power-saving function.
⚫ H4MIDI WC does not recognize the connected USB device.
‐ H4MIDI WC can only recognize plug-and-play USB MIDI class-
compliant standard devices. It cannot recognize other USB MIDI
devices that require drivers to be installed on the computer or general
USB devices (such as USB flash drives, mice, etc.).