Law Enforcement Grade - Audio Recorder Ring Stainless Steel or Gold

1，The shape of the product is ring, the size is the same as ordinary ring, and the inner diameter is 19mm

2，The product is a recording Ring, hereinafter referred to as Ring Recorder

3，Ring Recorder has recording function and built-in high sensitivity MEMS microphone

4，The built-in 20mAh lithium-ion battery lasts up to four hours

5，Voice control recording mode can be set to fully save space and electricity

6，Built-in clock system can accurately record the time of the recording.

7，Can set the pre-recording time, can be specified in the future at Instructions for recording rings a certain time, boot and recording

8，You can set a time recording every day。

9，Built-in 200M storage, can hold 150 minutes of recording files,

10，Can set the gain amplification multiple, the greater the gain, the greater the recording volume，

11，The recording file is a WAV file,

12，Equipped with separate adapter (charging and reading)

13，Ring ingredients: Fe, Cu and Au. (Can be customized K gold ring)

14，Gem component： Ruby, sapphire, emerald, green tourmaline, and merson diamond are available III

1．working current：4.5mA 2．working current：4.2V 20maH，lithium ion battery 3．bit rate：32K-384KBPS，You can set it yourself 4．gain：1-7 variable gain，The greater the gain，The louder the recording gets 5．Voice control threshold：Levels 0-5 can be adjusted, the larger the more sensitive,0 means to turn off the voice control. 6．Working time: more than 150 minutes (after charging) Instructions for recording rings 7．File size: 41MB/30 minutes 8．USB：2.0 9．The ring has an inner diameter of 19mm and a weight of 6g, 10． Gem size：9mm*9mm 11． memory capacity：200M 12． coding scheme：ADPCM 13． file format：WAV