The chandra is slightly bigger than its sister the iris but is still very discrete with a single powerful vibrating speed of 110 hz the chandra gives a more intense vibration it comes with 3 different finger bands and is fully rechargeable the chandra is slightly bigger than its sister the iris but is still very discrete with a single powerful vibrating speed of 110 hz the chandra gives a more intense vibration it comes with 3 different finger bands and is fully rechargeable