Condition: 100% Brand New Item Type: Hearing Aid Material: ABS+Silicone Color: As Pictures Show Weight: Approx. 171g/6oz Max OSPL90: ≤ 120 dB + 3 dB High-Frequency OSPL90: 103 dB ± 4 dB Average Gain: 23 dB ± 5 dB Equivalent Input Noise Level: ≤ 35 dB Total Harmonic Distortion: ≤ 10% Frequency Response Range: 300 Hz ~ 3500 Hz Rated Power Consumption: ≤ 6 mA Working Time: 12-15 hours Charging Time: 90 minutes to 2 hours Usage Time: 10-12 hours Charging Box Working Current: ≤ 70 mA Charging Case Working Voltage: 3.7V Charging Time: 90 minutes Hearing Aid Charging Current: ≤ 30 mA Hearing Aid Charging Voltage: 4.2V Hearing Aid Charging Times: 3-4 times Battery: Polymer Lithium Battery (earphone 30 mAh, charging case 120 mAh) High-Tech Charging Mode: Connect USB to the charging case and charge it fully. When charged, the light turns blue. Charging is complete, and the light turns white. Portable, USB charging. Six Sound Levels are Adjustable: Each time the sound level is increased, you will hear a "beep" sound. At full volume, you will hear three "beep" sounds and a tone. If you press again, it will return to the lowest level. 1. Made of high-quality ABS material, it provides a comfortable and skin-friendly feel, non-toxic and safe. 2. The ergonomic in-ear design fits your ears better, perfectly and comfortably. 3. High-quality built-in chip provides crystal-clear sound and enhanced noise reduction. 4. The built-in battery can be powered directly by the charging box, providing up to 4 full charges for your hearing aid, and the LED light can directly and clearly display the working status. 5. Supports one-button control, allowing for easy power on/off and volume adjustments, as well as three different earplug sizes (S/M/L) to accommodate a wide range of users. 2 x Hearing Aids (Left, Right) 1 x Charging Box 1 x USB Cable 6 x Earplugs 1 x Cleaning Brush 2 x English Manual