Hearing Aid Audiphones Sound Amplifier, EU Plug, US Plug

1. Material: ABS2. Built-in lithium battery 30mAh3. Charging time: about 2 hours4. Working voltage: d.c.3.7V5. Working time: about 35 hours6. Frequency range: 450-3400MHz7. Input noise: less than or equal to 32dB8. Working current: less than or equal to 1.2mA9. Total harmonic distortion: less than or equal to 10%10. Sound output: less than or equal to 129±3dB11. Sound gain: greater than or equal to 40dB±5dB12. Net weight: 6.5gSpecification: Package Weight One Package Weight 0.10kgs / 0.21lb One Package Size 12cm * 9cm * 5cm / 4.72inch * 3.54inch * 1.97inch Qty per Carton 290 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 290 pcs = 51330 pcs40HQ: 412 cartons * 290 pcs = 119480 pcs