6-Zone Distributed Audio Analog Power Amp
The rechargeable battery gives you continuous play for 4 hours
Built-in 250 mAh polymer lithium battery
already inserted with both Super small volume
Features: USB Stick Design
RUIZU H9 Metal MP4 Music Player BT V5.0 Built-in Speaker Tablet 6-Zone Distributed Audio Analog PowerRUIZU H9 Metal MP4 Music Player BT V5. 0 Built in Speaker 3. 8inch Full Touch Screen Support FM Radio,Recording,Video,E book Specification: 1. Product shell: Zinc alloy 2. Product color: Black 3. Capacity: 16G 32G 4. TF card expansion capacity: Maximum support 128G 5. 3. 8 inch IPS HD screen, Full touch operation 6. Music format: MP3, WAV, DRM WMA, OGG, APE, FLAC, ACC (including AAC LC, AAC HE, AAC+V1 V2) and other mainstream audio formats 7. Video