Tuning Fork Set Brain Waves - 29x24cm Warehouse 5 The backpack is made of

The backpack is made of lightweight but strong 300d knit

Thanks to its stylish design it is also suitable for the city

The natural electromagnetic properties of the holy rudraksha beads have been found to improve the concentration focus and mental stamina

Dimensions: 35 x 30 x 12 cm volume: 10 liters load capacity: 4 kg

Tuning Fork Set Brain Waves - 29x24cm Warehouse 5 The backpack is made ofset of 5 tuning forks based upon four different types of brain waves namely: delta theta alpha and beta. Plus one fundamental brain tuning fork. these brain waves are connected to different activities of the human brain: beta waves: thinking concentration arousal cognition. alpha waves: relaxation (while awake) pre sleep and pre waking drowsiness. theta waves: rem sleep dreaming deep meditation. delta waves: deep sleep (dreamless) loss of body