Feature: 1. Dual Ear In Ear Hear Amplifier: This hear aid is designed to fit comfortably in both ears, providing enhanced sound clarity and amplification. 2. Intelligent Chip with Adaptive Feedback Suppression: The built in smart chip automatically adjusts to suppress feedback and minimize whistling, ensuring a clear listening experience. 3. Rechargeable with Portable Charging Case: Comes with a convenient charging case that allows for easy recharging on the go. No need to worry about running out of power during the day. 4. LED Battery Indicator: The hear amplifiers feature an LED display that shows the remaining battery power, allowing users to observe the battery level and plan for recharging accordingly. 5. Big and Raised Button: The amplifier is equipped with a larger and higher button, making it easier for individuals to adjust the volume or turn the device on/off. 6. Volume Memory Function: This hear amplifier remembers the previously set volume level, eliminating the need for constant readjustments. 2 tuning rods are included for easy adjustments. Specification: Specifications: Item Type: Hear Aid Maximum Saturation Pressure Level: ≤118±3 dB Output Sound Pressure Level (high-frequency average): 103±4 dB Full range Sound Gain (high-frequency average): 30±5 dB Frequency Response Range: 350 Hz-5000 Hz Total Harmonic Distortion: ≤10% Equivalent Input Noise Level: ≤30 dB Hear Aid Battery Capacity: 40 mAh Charging Box Battery Capacity: 300 mAh Material: ABS Hear Aids Weight: Approx. 3.2g/0.11oz. Package List: 1 * Pair of Hear Aid 8 * Pairs of Earcaps (One pair of them is already installed on the hear aids) 1 * Charging Case 1 * Charging Cable 2 * Cleaning Brush 2 * Tuning Rod 1 * User Manual