If you experience mild to moderate hearing difficulty, this personal sound amplifier may help enhance your listening experience for everyday activities such as watching TV, listening to music, or participating in conversations. Features: - Rechargeable lithium-ion battery (120 mAh) provides up to 20 hours of continuous use on a full charge. - Adjustable volume control allows customization for different environments—ideal for home, meetings, or entertainment. - Noise management technology helps reduce background noise. Includes mode selection for optimized performance indoors and outdoors. - Includes eight silicone ear tips (four sizes, two of each size) for a secure and comfortable fit. - Soft, lightweight design with ergonomic silicone tips for extended wear. - Built-in LED battery indicator displays charge level for 5 seconds at startup; blinks every 5 seconds during operation. - Simple setup: attach the ear tip, power on, adjust volume, and clip to clothing. - Designed for individuals with mild to moderate hearing loss (up to 70 dB). Specifications: - Color: Black - Model: C-06 - Plug Type: EU or US (optional) - Materials: Silicone + ABS - Maximum Sound Output: 130 dB - Sound Gain: 45 dB - Total Harmonic Distortion: ≤5% - Frequency Range: 450–3000 Hz - Input Noise Level: ≤30 dB - Operating Voltage: DC 3.7 V - Operating Current: 4 mA - Battery: Rechargeable lithium-ion, 120 mAh - Charger Input: DC 5 V / 50–500 mA - Device Dimensions: 5.5 × 1.95 × 1.8 cm (2.16 × 0.76 × 0.7 in) - Package Dimensions: 16 × 10.2 × 4.5 cm (6.29 × 4.01 × 1.77 in) - Device Weight: 12 g (0.42 oz) - Package Weight: 235 g (8.28 oz) Notes: - Initial charge requires 4 hours until all LEDs turn solid green. Subsequent charges take approximately 2 hours. - Use only the included charger (DC 5 V / 50–500 mA). Do not charge via computer USB ports or third-party chargers. - Do not disassemble the device or replace the internal battery. - Clean only with a dry, soft cloth. Avoid water, alcohol, or organic solvents. - Do not immerse in water. - Avoid prolonged use at maximum volume to prevent potential hearing damage. - Refer to the included English user manual for full instructions on operation and care. Package Includes: - 1 × Personal Sound Amplifier - 1 × Dual-ear headset (for optional stereo use) - 8 × Silicone ear tips (4 sizes, 2 per size) - 1 × Charging cable - 1 × User Manual (English)