and high quality Super mini size and lightweight, discreet and easy to carry Ideal for watching movies, enjoying dramas, attending meetings, or participating in classes, helping you hear sound clearly and comfortably Item Type: Ear Care Device Material: ABS and silicone Mini ITE Hearing Amplifier Maximum Sound Output: up to 120 dB Maximum Sound Gain: up to 30 dB Harmonic Wave Distortion: less than or equal to 10% below 1000Hz, less than or equal to 4% above 1000Hz Frequency Range: 2503800 Hz Input Noise: less than or equal to 50 dB Battery: 1 x AG3 button battery (included) Working Voltage: DC 1.5V Working Current: less than or equal to 4mA Color: skin tone Item Size: 2.2 x 1.9 x 1.5cm Package Size: 9.6 x 8.2 x 3.4cm Quantity: 1 set Instructions: Set volume to minimum before inserting Choose a slightly larger earplug size for a secure fit Gradually increase volume to prevent sudden loud sounds If feedback or howling occurs, check the ear tip (silicone) and ensure proper fit and seal to avoid air leakage Keep the earpiece clean Remove the battery if not in use for extended periods Package Contents: 1 x hearing amplifier 3 x earplugs 2 x AG3 button batteries 1 x user manual 1 x hard storage box The package includes only the items listed above Note: Lighting and monitor differences may cause slight color variations between the image and the actual item. Measurement tolerance: +/- 1-3cm