SilteD HiFi Headphone Amplifier

Lithium Battery Capacity: 1000mAh Amp usage time: more than 8 hours Battery voltage: DC3.7 V - 4 V. Amp's internal working voltage: ± 4V SNR > 100Db THD+N 0.0003% Output power: 30 Mw in 16 Ω impedance, 15 Mw in impedance 300 Ω Suitable headphone impedance: 16-300Ω (or 16-150Ω) Dimension: 95 x 52 x 13 (L x W x H) Mini HiFi Headphone Amplifier 16-300Ω, it is delicate, compact, lightweight and portable and can be carried easily. The 3.5mm AUX input and output, SNR >100dB and THD+N 0.0003%, allow to produce not only louder sound, but also sharper, more real stereo sound without distortion. Two-level gain switch improves signal input into the amp circuit for optimal headphone performance Aluminum matte surface, fashion design gives you comfortable grip feeling while aluminum matte surface makes it durable. Rechargeable lithium battery, it adopts rechargeable lithium battery with a capacity of 1000mAh, which allows it to continue working more than 8 hours. Universal compatibility, it can be remarkably compatible with various digital devices, such as MP3 MP4 mobile phone computer. Box contents: 1 x Headphone Amplifier 1 x USB power cable. Audio cable 1 x 12 cm Audio cable 1 x 100 cm 1 x user manual (English language not guaranteed). Note: Please allow 0-1 cm error due to manual measurement. Please make sure you do not mind this before purchasing. Due to the difference between different monitors, the picture may not reflect the actual colour of the item. Monitors are not calibrated in the same way, the colour of the item shown in the photos may be slightly different from the actual product