NewNow Wristwatch Bluetooth Watch with Mic for iPhone 4S, 5,HTC ONE, Android Cellphone Connects to iPhone, Samsung Galaxy phone, HTC, AT&T, T-Mobile, and all other Android Phones with built-in bluetooth, or other bluetooth enabled devices to easily answer phone call, online voice chat or listen to music. Caller ID displays caller's phone number. Phone calls can be answered wirelessly from the watch with the press of one button Built-in microphone and speakerphone for easy hands-free use (the volume of the speakerphone is not adjustable. Some customers think the volume is too low to use in the noise environment) Long press a button to call the last phone number. Double press a button to use the voice control and call phone on iPhone (the voice call function only works on iPhone) Adjustable wrist band, built-in alarm clock