Shenzhen Waytronic Electronics Co., Ltd.is committed to the continuous improvement of thephone call recorderservice, become a society, customers, shareholders and employees long-term trust of the company. Our Company adhering to pirit of for the sake of customers, and win-win with customers , and through Waytronic staff continuous innovation and development to provide first-class voice recorder of the well-known brands,Style complete call recorder,phone call recorder of several factors,phone conversation recorders for enterprises , is what we have been working for. Details:If you don't want to jailbreak your iphone, but need call recorder function, and don't want to be found that you are recording the phone conversation, how to record phone conversation? how to record cell phone calls secretly? Our this call recording in-ear earphone can satisfy you. Use our this call recording earphone, help you to protect yourself, help you to collect evidence, help you to remember some important things and words, no long to worry that you may miss some important content of phone call.When you are negotiating or talking business things with your customer on phone, sometimes it's very neccesssary to record the details, which can be good evidence.This earphone is suitable for businessmen, also a good gift for friends, can record phone conversation secretly. Both iphone and Android cellphone can use this call recording earphone. Note: Voice Features :Small size, easy to carry. Compatible with the line control feature of iPhone. Use earphone to record the call, need no software, voice recorder or jailbreak. Able to listen to songs, answer calls, record. Can be used as a voice recorder. Easy to use, just press button to record. Voice prompt when start to record or recording ends. Can play the recording, save the recording into the phone. Copy the recording files out from the earphone connected to computer via USB cable. Good sound quality, stereo clear bass playback. Built in 512MB memory, recording duration up to 16 hours. Built in 200MA lithium battery, continuous recording up to 5 hours. 1 year extra-long standby time. Both iphone and Android cellphone can use this call recording earphone. Operation:It is easy to use. Press the REC button, in the middle of the earphone. begin to record when hear a "di" sound, red LED flashing. Press again, "di" sound twice to stop recording. Parameters :Working voltage: 5V Recording current: ≤40mA Playing current: ≤50mA Sleep current: ≤10uA(theoretically standby time up to 1 year, but considering battery self discharge, so standby time is usually 3~6 months) Charging current: ≤200mA Speaker: 9 mm Dynamic type Impedance: 32 ohms Sensitivity: 100dB±4dB Max power: 10 mW Frequency range: 20~20000Hz Cable length: 1.2M ±5% Cable: TPE, flat cable, 3.5*1.1mm USB port: 3.5mm Earphone shell: ABS plastic/ aluminum alloy MIC sensitivity: -42dB omni response Environment: indoor use, relative humidity less than 95% Size: 60*19*12mm