Smartphone ringtone amplifier - Karma RINGER 22

This device has been designed for hearing weak people who tend not to respond to the phone by not hearing it ringing. RINGER 22 is a powerful ringtone that can be set on 5 different sounds, 6 volume levels and 4 light intensity of the leds.Once coupled to the phone via bluetooth, you will have to do nothing else. It will automatically connect to the phone once entered its range and upon arrival of a call it will ring and flash inviting you to answer the call.It does not need any application or subscription. It does not have a microphone (a guaranteed privacy), automatically reactivates after a blackout, has no batteries and does not require any maintenance.