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More Convenient with 2*AAA Batteries: Unlike most recording devices on the market, L77 is powered by 2*AAA batteries. When batteries are exhausted, you can start recording immediately after replacing the batteries. Effectively save charging time. The recording device displays the remaining battery on the top right corner, so there is no need to worry about unexpected power cuts. Replace batteries anywhere and anytime. Rechargeable AAA batteries also can be used
72GB Large Capacity: Upgraded voice recorder supports 72GB capacity (8GB built-in memory and removable 64GB TF card expansion) for meeting more recording needs. According to your own needs, replace the TF card with a different capacity. Package only comes with a 64GB TF Card