Remaining power indicator with LED display: The high-resolution LED display clearly shows the remaining power. No more battery worries when travelling, the charging box offers 96 hours of standby power, enough for 3-4 charges of the hearing aids. After each charge, the hearing aids can be used for 24 hours. The low battery reminder function emits three beeps during use. No whistling Digital hearing aids: The hearing aids are equipped with an integrated intelligent chip that has multi-directional noise reduction. The intelligent chip divides sounds into different channel frequencies, which significantly improves processing, noise suppression, feedback suppression and the removal of background noise. These are ideal for mild to moderate hearing loss. The 31dB sound gain is higher than most other hearing aids. You will never miss conversations with friends and family again. 3 modes 4 adjustable volumes: Different modes have been specially developed for this hearing aid to meet the requirements of different environments: Daily mode for everyday use, meeting mode for meetings or on the plane, and outdoor mode for noisy outdoor environments. Press and hold the ‘M’ button to change the mode. Press the ‘M’ button once to adjust the volume. There are 4 volume levels available. The hearing aid has a mode memory function for easy use. Comfortable & stylish hearing aids: The hearing aids are ergonomically designed, fit the ear canal, do not fall out easily and are comfortable even when worn for long periods of time. No more worrying about them falling out or getting lost, and the stylish design of the earbuds helps you feel comfortable when wearing hearing aids. Perfect gift for family or loved ones: Hearing loss can lead to loneliness and isolation, but our hearing aids can help people connect with the people and things they love and participate in daily life again. It is the perfect gift for seniors and your loved ones so they can hear the loving words and laughter of everyone. Product description. Host usage time: 24 hours Host charging time: 1.5 hours Host battery capacity: 42 mAh Host weight: 2.3 g Charging box battery capacity: 380 mAh The charging box can charge two hosts: 3-4 times Host size: 30 mm*14 mm*22 mm Charging box size: 60 mm*43 mm*30 mm 10-second delayed hearing protection system Intelligent noise cancellation with DSP digital chip Can be worn on either the left or right ear Mechanical switch, easy to use Digital power storage in the charging box Maximum saturated sound pressure level: 116 dB+3 dB Average high frequency level: 113dB+3dB Full sound amplification: 30dB+5dB Frequency response range: no narrower than 200Hz-5000Hz Total harmonic distortion: Equivalent input sound pressure level: Intelligent noise reduction: Built-in chip for multi-directional noise reduction and feedback suppression. Three modes, four volume levels: Special modes for different environments, easy operation with one touch of a button. Comfortable design: Ergonomically designed, secure in the ear and comfortable to wear. Long battery life: Fast charging in 1.5 hours for up to 24 hours of use. Perfect gift: Improved quality of life for seniors and loved ones, enabling active participation in life.