Family Life TV Shopping Broadcast Product Rechargeable Easy-to-Use Ear Canal Hearing Aid Otokosan [Specifications] ● Body size: (approx.) width 1.9 x depth 1.4 x height 2.1cm ● Body weight: (approx.) 4g ● Cord length: (approx.) 80cm ● Batteries used: Nickel battery 1.2V 50mAh ● Continuous use time: approx. 30 hours ● Charging time: approx. 3 hours ● Operating temperature and humidity: +5℃ to +40℃, relative humidity: ≦80% ● Atmospheric pressure: 86kPa to 106kPa ● Maximum output sound pressure level: ≦126dB(+3dB) ● 90dB maximum acoustic gain: 25dB(±5dB) ● Frequency response range: 450Hz to 3000Hz ● Input equivalent noise: 29dB(+3dB) ● Materials: Body/Turning stick: ABS, Ear tip: Silicone, Cleaning brush: PP, Storage case: ABS/TPE ● Made in China [Set Contents] Main unit, AC adapter, charging cord, ear tips, storage case, turning stick, cleaning brush Brand new, unused Since the item is unopened, we cannot handle initial defects. Please be aware of this. We will uniformly decline price reductions. Packaging will be simple, using recycled materials.