For support with listening to the TV and conversations. This easy-to-use, over-the-ear sound amplifier features intuitive operation with just a power button and volume control, making it easy for first-time users and seniors. Suitable for use on either the left or right ear. Features: ・6-level volume adjustment: Fine-tune with the dial ・Universal: Over-the-ear design for a secure fit ・Gentle on the ears: Soft ear tips, 3 sizes (S/M/L) included ・Battery-powered (LR44): Convenient for use anywhere and portable ・Storage case included: Easy to carry, store, and keep clean Set Contents (as shown in the image): Main unit ×1 Ear tips (large/medium/small) each 1 pair Storage case ×1 Batteries for operation check LR44 ×2 ※The remaining battery life may be low for operation check. We recommend replacing them soon. Specifications (from image): Maximum output sound pressure level: 125±3 dB Sound pressure gain: ≥35 dB ±5 dB Frequency range: Approximately 300〜4800Hz (approximate) Main unit dimensions: Approximately 55×55×16 mm / Weight: Approximately 10 g Color: Beige How to Use (Easy 3 Steps): Insert the batteries (LR44) according to the polarity Choose and attach the ear tip size Volume minimum → Power ON → Gradually increase the volume and adjust (to prevent feedback) Important Notes: This product is a sound amplifier, not a medical device (hearing aid). Consult a medical institution if your symptoms are severe. Usage time and effectiveness vary depending on the wearing condition, surrounding noise, and volume settings. Keep out of reach of small children and pets. Sound amplifier, over-the-ear type / Battery-powered LR44 / Universal / 6-level volume adjustment / Ear tips S M L / Case included / Senior, TV, conversation support / Easy operation, Beige