Lightweight Headphones (Pack 10) Numicon Firm Foundations Teaching Pack Go Maths programme
$99.99
Description
Go Maths programme
linear and areameasurement
Set of 116 includes: Colourful gears
children can express views about events or characters in the story and answer questions about why things happened
stand or sit
Lightweight Headphones (Pack 10) Numicon Firm Foundations Teaching Pack Go Maths programmeSuper value lightweight stereo headphones with foam earpads and ideal for listening centres and computers. Cable length is 1. 2m. 3. 5mm nickel plated jack plug. Technical Specification: Driver Unit: 2 x 27mm Ferrite Magnet Impedance: 32 Ohms + 10% Sensitivity: 115dB S. P. L. at 1kHz + 3db USD1. 21 black housing & sponge Frequency response: 20 20kHz Max. Input Power: 15mW Available individually or in a pack of 10 or even a pack of 30
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