With your Xtal purchase, a compressive Handbook & User's Guide will be send to you via email. The handbook covers:

• Getting going quickly
• FAQ
• Methods and techniques
• How to apply
• App menu and operation
• Detailed functions description
• Science and references

In case you still have any questions please contact us at francis@mannavibes.com or

CONTACT US via the form below, we are happy to assist you!