File format: WAV
Storage capacity: 4GB internal (up to 70 hours of audio storage)
File system format: FAT32
Battery life: up to 20 hours
Battery Specifications: 3.7v 110mAh
Size of main recorder: 1.65" x 0.7" x 0.35"
Total band length: 9"
Charging connection: 5v micro USB port
1x VRWB4 (recorder and band)
1x micro USB cable