Amplification up to 20d B Tone control
- 3 positions Bass Normal Treble Strap for mounting on telephone handset Soft carrying case Compatible with most telephones The Geemarc CLA20 is a portable telephone amplifier. It amplifies the receiving volume of your call up to 20d B. Ideal if you are travelling It works with corded cordless & mobile phones. It has 3 levels of tone control for those with high or low frequency hearing loss & comes with a soft carry case.br