Butterfly Tenergy 05FX - 2.1 Color:Red 1 expandable side pocket and

1 expandable side pocket and 1 soft padded inner pocket for better organization and storage of all your essentials

Advanced features include independent memory for storing values

acid-free paper with excellent longevity

All colours are bright on white paper and produce outstanding effects on black paper

this red calculator is portable and fits easily on any desk

Butterfly Tenergy 05FX - 2.1 Color:Red 1 expandable side pocket andTenergy 05 FX TENERGY 05 FX combines High Tension technology with a version of Spring Sponge that produces a softer feeling and a straighter trajectory. It is the result of extensive research and one of many experiments carried out by the Butterfly Research Centre, its name deriving from pimples code 05. TENERGY 05 FX is the perfect solution for players who are seeking to play heavy topspin strokes, whilst maintaining control. Rubber Type Pimples In