Feature 1 USB CONNECTION: Phone call recorder earphone can be connected to computer via USB to copy recording files, using Bluetooth 5.0, low power consumption. 2 COMPATIBLE SYSTEM: Cellphone call recorder headset is compatible with for iOS and for Android system, support APP applet control to manage recording files. 3 VOICE PROMPTS: Cellphone call recording earphone has recording voice alert, recording end recording has operation voice prompts, more intimate. 4 POWER DISPLAY: Bluetooth phonecall recorder earphone supports real time power display function, continuous listening to songs for 9h, continuous battery life. 5 MAGNETIC ADSORPTION: Cellphone call recorder headphone with magnetic adsorption design, not tangled wire, adsorption firm, comfortable to wear, easy to carry.Item Type: Phone Call Recorder EarphoneMaterial: ABSBluetooth: Bluetooth 5.0Connection Distance:10m/10.9ydMemory: 512M Memory Card ( Included)Battery Type: Li Ion BatteryBuilt in Battery: 200mAh ( Included) Package List1 x Phone Call Recorder Earphone 1 x Storage Bag1 x Instruction Manual1 x Charging Cable1 x Cable Clip1 x Tie1 x Accessory Use Card