supports for helium or air

6Ft 8 Modes with 60 Drops

try to use the lower level to test because of different skin types

it doesn't roll up and always stay in the right place

total playtime reaches up to 25H

New in slightly damaged packaging! Sharp Scientific Calculator EL-531XTB-WH, contents are perfect active_bidding supports for helium or airNew in slightly damaged packaging! Sharp Scientific Calculator EL 531XTB WH, contents are perfect Key Features Large 12 digit, 2 line LCD display Direct Algebraic Logic (D. A. L.) 272 Functions 2 Modes: normal & stat 8 Temporary memory buttons 1 & 2 Variable statistics Durable, gloss black finish with white accent Protective hard case Twin powered (solar with battery backup) Brand Sharp Calculator Type Engineering Scientific Power source Solar