MP3 Player Specification:
Material: metal
MP3 bit rates: 8-320Kbps
Playback: about 58 hours of continuous playback
Recording bit rate: 5-384Kbps
Music Format: MP3 / APE /FLAC/ WAV/ WMA/OGG
USB connection: Efficient 2.0USB
Recording battery life: 30 hours continuous recording
Built-in battery: lithium polymer battery
Recording format: MP3, WAV
Chip system: Action 2127s
Headphone output: 16-128Ω
Display type: OLED
Screen size: 1 inch
Size: 7.5x3.1x0.9cm
Net weight:51g

Amp Specification:
Size: 8.5x5.8x1cm
weight: 60g
degree of distortion: 0.003%/32Ω, 50MW
Output Power: 70MW *2
In Ear Headphone Specification:
Frequency: 20Hz-20kHz
Sensitivity: 113 ± 6dB at 1KHz, 6mW
Plug type: Φ3.5mm
Audio cable length: 1200 ± 500mm Package 1 X Music Player 1 X Amplifier 1 X Headphone 1 x User manual

• Mp3 Player Screen size: 1.0 inch OLED Display. Lossless acoustics.2-3 hours fully charged, the longest playback time is up to 200 hours.Support various music formats:MP3, WMA, OGG, APE, FLAC and AAC. Supports Up To 64GB
• Metal Housing In Ear Headphone,Gold-plated 3.5 mm audio jack for premium, no-loss sound connection to your audio device
• Amplifier Shocking sound: Pre-Fever grade op-amp buffer with professional amp chip and separate bass switch, makes your earphone an unbelievable subwoofer
• Amplifier And Mp3 can be charged, and Portable Design Easy To Take It,You Can Put In Your Pocket
• Perfect 3 Hifi Combination , Can Enjoy Your Lossless Music In Every Place And Everywhere!

Mp3 Player Screen size: 1.0 inch OLED Display. Lossless acoustics.2-3 hours fully charged, the longest playback time is up to 200 hours.Support various music formats:MP3, WMA, OGG, APE, FLAC and AAC. Supports Up To 64GBHaafee