For more information on this product: https://bit.ly/2HCbRU4 The Tascam DR-100MKIII features a durable, compact design to maximise portability and allow for easy recording on the go. The built in condenser microphones provide excellent audio quality whilst offering reduced noise and interference. The dual-battery design of the DR-100MKIII not only allows for battery changing during operation, but provides you with sufficient battery to last even the longest recording sessions.