This bluetooth voice call recorder,digital telephone call recorder,Telephone Call Recorder,Voice Audio Recorder,MP3 Player Dictaphone,Wireless Voice Audio Recorder Box is designed for telephone call recording,bluetooth voice call recorder,digital telephone call recorder,telephone voice prompts,advertising promotion strategy,redbox phone recording,adopt wireless Bluetooth transmission technology, small and easy to use.You don’t need to worry low memory problem; don’t need to operate something, just need Bluetooth connection to cellphone, then it can automatically record when a call comes in or dial it out. The recordings will be automatically stored to your cellphone. So you can manage the recordings on your cellphone.，Don't need to worry about privacy.An automatic telephone recorder consisting of 8031 single-chip microcomputer, LM567, 8870 and its peripheral circuits. Whether the telephone line has a reverse signal or not, the telephone number, call time and other parameters of the call can be automatically synchronized and recorded in a small needle. The output on the printer makes an accurate record of each call time. At the same time, the recorder can set a plurality of passwords for multiple users to use the telephone, and the user can make a call by pressing the password, and the call time is recorded on the user's account.