Feature:1. Can be used as a standalone tape recorder. Even if you don't connect the earphone to your phone, and store it in your phone.2. No memory card is needed to save the recording to the phone without worrying about running out of memory or recording leaks.3. Use with applications, only for IOS versions are available, not for Android phones. The application is free and there is no charge.4. Noise reduction function. Clear recording sound quality, low power consumption, after device shut down or not working, the application will automatically sleep.5. Builtin 200 mah lithium battery, rechargeable, USB cable charging. After being fully charged, it can work for a long time, up to 8 hours.6. No need to jailbreak for IOS , no recorder or other recording device, no need to download some paid apps. Use Bluetooth to connect it with your phone, then it can record incoming calls .Specification:Condition: 100% Brand NewItem Type: Voice Recording EarphoneMaterial: ABSColor: As Pictures Shown Weight: Approx. 62g/2.2ozModel: WT - 102Built-in Lithium Battery: 200mAhCable Length: 1.3 meters/4.3ftAPP Version: for IOS Version (not for Android Version).Package List:1 x Call Recording Earphone 1 x Charging Cable 1 x Manual 1 x Clip Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.