The HearAll Cell Phone Amplifier allows those with hearing impairments to amplify the level of their cell phone volume. The device pairs to any Bluetooth cell phone. Cell phone calls will be sent to the device which can be used like a regular cell phone. The caller's voice can be amplified up to 100 times louder (up to 40dB). A visor clip is included for "hands-free" conversations in cars. The HearAll can also be connected to certain hearing aids, providing even more sound amplification.
POWER: Battery and/or charger.
DIMENSIONS: 5.5 inches long x 2 inches wide x 1.3 inches high.
CAPACITY: 10 hours talking time per full charge.
WEIGHT: 3 ounces.
WARRANTY/GUARANTEE: As stated by the manufacturer.