eSynic Portable Headphone Amplifier Rechargeble Audio Digital HiFi Earphone Amp 3.5mm with Two stage Gain Switch, USB Cable and Aluminum Matte Surface for MP3 MP4 Phones Players Computers

*𝐞𝐒𝐲𝐧𝐢𝐜 𝐏𝐫𝐨𝐟𝐞𝐬𝐬𝐢𝐨𝐧𝐚𝐥 𝐇𝐞𝐚𝐝𝐩𝐡𝐨𝐧𝐞 𝐀𝐦𝐩𝐥𝐢𝐟𝐢𝐞𝐫*-----: Our eSynic Headphone Amplifier 3.5mm Specially Designed for Headphones, Mainly Used for High-level and Middle-level Headphones with 16-150Ω Delicate, Compact, Lightweight, and Portable that it can be Carried Conveniently, can Output Remarkable Sound without Distortion. *𝐒𝐮𝐩𝐩𝐨𝐫𝐭 𝟐-𝐒𝐭𝐚𝐠𝐞 𝐆𝐚𝐢𝐧 𝐅𝐮𝐧𝐜𝐭𝐢𝐨𝐧*-----: Our eSynic Professional Headphone Amplifier Rechargeable With Two-Stage Gain Switch Which Enhances the Signal Input Into the Amp Circuit for Optimal Performance of the Headphones.And Support 3.5mm Headphone Jack Input and Output. *𝐏𝐞𝐫𝐟𝐞𝐜𝐭 𝐒𝐨𝐮𝐧𝐝 𝐐𝐮𝐚𝐥𝐢𝐭𝐲*------: This eSynic Protable Headphone Amp Snr>100Db and Thd+N 0.0003%, Make it Possibility to Output not Just Louder Sound, But a Sharper and More Real Stereo Sound without Distortion.Let Us Be Enjoy in the Wonderful Sound. *𝐓𝐡𝐞 𝐋𝐚𝐭𝐞𝐬𝐭 𝐍𝐨𝐢𝐬𝐞 𝐑𝐞𝐝𝐮𝐜𝐭𝐢𝐨𝐧 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲*-----: Our eSynic Portable Headphone Amplifier Made of the Aluminum Matte Surface Makes it More Sturdy with No Signal Interference.Great Heat-Resistance, Stable Performance Durability and High Quality Ensured. Achieve Noise Reduction, and Lossless Transmission. *𝐑𝐞𝐜𝐡𝐚𝐫𝐠𝐞𝐚𝐛𝐥𝐞 𝐋𝐢𝐭𝐡𝐢𝐮𝐦 𝐁𝐚𝐭𝐭𝐞𝐫𝐲 𝐃𝐞𝐬𝐢𝐠𝐧*------:This eSynic 3.5mm Headphone Amplifier items Adopts a Rechargeable Lithium Battery With 1200mah Capacity, which Allows It to Stay Working More Than 5 Hours. Compatible with a Various Of Digital Devices, Such as Mp3 Mp4 Mobile Phone Computer.