COOMAX Mini Hidden Spy Earphone Wireless Earpiece Headset Microphone Detection Compatible with Apple iPhones, Android phones, tablets, Kindle, eReaders, and any portable devices with a standard 3.5 mm jack. Microphone with 1-Button call for clear calls and smartphone control Support phone call, FM radio, MP3 player, etc Small, light, easy to conceal, Loud and clear voice ,Long life battery Easy and safe to wear,Clarity and high strength string help you to take out the earpiece from ear canal easily.