User manual

4. MAIN FEATURES
Cordless headphones with MP3/WMA player.
Supported files: MP3/WMA.
Plays MP3 files from microSD/SDHC cards with capacity up to 32 GB.
Frequency response: 20 Hz ~ 20 KHz.
Supported sampling rate: 8 ~ 44 KHz.
Signal/noise ratio: >70 dB.
Sensibility: 100 +/-3 dB a 1KHz.
Diameter size: 40 mm.
Card reader with USB-OTG funtion.
Rechargeable lithium battery.
Charging time: 2-3 hours.
USB Battery charging: 5 V.
Interface: USB 2.0.
Autonomy: up to 8 hours.
Net weight: 200 g.
5. PRODUCT CONTENT
Energy MP3 Headphones h3.
Audio cable: 3.5mm.
USB 2.0 cable for battery charge.
User manual.