The Geemarc IBT10 hearing aids are designed for people with hearing problems. They increase the sound from an audio source by up to 30dB. They feature Bluetooth 5.0 technology with a range of 10 meters. They support connection to multiple devices. They include a built-in microphone and offer 8 hours of battery life. Their compact dimensions are 7.2 x 3.2 x 1.7 cm.