Brand Name : JZIKIOrigin : China MainlandModel Number : Audiphoneskeyword1 : Adjustable Tone Sound Amplifierkeyword2 : Mini Rechargeable Hearing AidProduct Features:1. Long standby time 2. Safe charging 3. Digital chip 4. Intelligent noise reduction 5 Anti-howlingSpecification:MaxSound Output: 1305 dB MaxSound Gain: 555 dB Harmonic Wave Distortion:10(1000Hz) FrequencyRange: 300-4500 Hz Input Noise:30 dB Working Voltage: dc1.5V Working Current:3mA Color: As the picture shows Item Size: 3.8 x 2.1 x 0.9 x 3cm Package Size: 19 x 8.2 x 2cm Net Weight: 9gPackage included1 x Hearing aid 3 x Earplug (different sizes) 1 x User manual 1 x Box ( optional ) (Due to aviation restrictions, batteries are not included) About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.