Beurer German Engineering. Rechargeable. Compact. Target & relieve tense muscles. Light. Ergonomic shape. Rechargeable Massage Gun with 4 Attachments and 5 Intensity Levels in Limited Edition Colours of Black and Purple Targeted muscle massage for activation and regeneration 4 massage attachments for tailored use 5 intensity levels: Intensity level 1: approx. 1800 rpm or 30 Hz Intensity level 2: approx. 2100 rpm or 35 Hz Intensity level 3: approx. 2400 rpm or 40 Hz Intensity level 4: approx. 2700 rpm or 45 Hz Intensity level 5: approx. 3000 rpm or 50 Hz Strengthening and regeneration - quick and easy Can be used for all muscle areas LED lights for displaying the battery state and intensity level Compact distinctive design Impressive light and ergonomic Powerful lithium ion battery for up to 5 hours of use Product measurements (L x W x H): approx.