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.