Please be kindly noted,the listed product is produced and distributed abroad and subject to the laws of its country of origin. This hearing device is designed for old people or people with hearing problems. Easy-to-wear design, conform to your ear shape, stable wearing and can ensures the comfort. Soft silicone material, does not harm to your ear, and also ensure wearing stability and lasting. You can have a try. Features: This hearing device is designed for old people or people with hearing problems. BT 5.0 version, independent music optimization, with high-fidelity restoration sound quality. Middle-power output with low distortion, adaptive feedback cancellation, layered noise reduction. Volumes adjustment design, can adjust the volumes to fit your own needs and preferences. Easy-to-wear design, conform to your ear shape, stable wearing and can ensures the comfort. Soft silicone material, does not harm to your ear, and also ensure wearing stability and lasting. Specifications: Name: Hearing Device Material: ABS+silicone Battery: 1 * built-in battery, 5V, 50mAh (included) PeakOSPL90(dBSPL): 126dB OSPL90-HFA(dBSPL): 1074dB PeakGain(dB): 39dB HFA/FOGGain(dB): 303dB Equivalent input noise(dB): 32dB Frequency response range(Hz): F1500Hz F23500Hz Harmonic distortion: 3% Item size: 40 * 10mm / 1.57 * 0.39in Item weight: 4g / 0.14ounce Package size: 100 * 50 * 50mm / 3.94 * 1.97 * 1.97in Package weight: 15g / 5.43ounce Packing List: 1 * Hearing Device 1 * USB Cable