AIYIMA H1 Mini Portable Headphone Amplifier JRC5532 OP Amp AUX Headphone Amplifier for MP3 Player Tablet Phone Hi-Fi 3.5mm

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.

[About clocks that synchronize time via radio waves] The function of clocks that synchronize time via radio waves only works in the Japanese area. Please be careful. 1. Operational amplifier chip: JRC5532*2, replaceable operational amplifier chip: OPA2604, OPA2134, LM4562, NE5532, etc. 2.Frequency characteristics: 20-20Khz (±0.1db), maximum output: 170mW/32Ω load. 3. Input mode: AUX, AUX. Output mode: earphone, headphone, active speaker. 4. Compatible devices: mobile phones, tablets, computers, MP3, TVs, etc. 5.Battery type: Polymer, battery capacity: 3000mah. Maximum volume working time: 12 hours.