Rechargeable, simple to operate, this mini sound amplifier will offer you precise sound amplification. You will regain the pleasure of enjoying music, movies, and TV programs, having conversations with other people. Suitable for those with mild to moderate hearing loss (26-55dB). Features: This pair of sound amplifiers amplify sound up and help you regain the pleasure of talking with other people, or enjoying TV programs, etc. Mini and lightweight earbuds design, safe to wear without hurting ear canals. You can use the included brush to remove dirt or ear wax. Comes with 6 different sizes of silicone earcaps for your choice, not easy to slip off, very comfortable to wear even for a long time. There sre 4 different amplify frequency adjustable, and you can turn up the volume from low to high to meet your need. Comes with a charging case, just place it into the case and recharge. One full charge can stand 20-30 hours of continuous use. Note: Wipe the sound amplifier with a clean, dry cloth only. Specifications: Type: Hearing Aid Sound Gain: 26dB-55dB Charging Case Battery Capacity: 300mAh Headphones Battery Capacity (Each): 50mAh Charging Case Charging Time: 3-4 hours Headphones Charging Time: 1-1.5 hours Working Time: 20-30 hours Material: Silica Gel, ABS Color: Black, White, Beige (Optional) Package Size: Approx. 9.8*9.8*4.7cm/3.85*3.85*1.85in Package Weight: Approx. 140g/4.93oz Package List: 1 * Pair of Hearing Aid 12 * Earcaps 1 * Charging Case 1 * Charging Cable 1 * Cleaning Brush