Galaxy Buds 2 Pro has Conversation Mode,IPX7 Water Resistant, 3 high SNR (Signal-to-Noise Ratio) microphones, Woofer delivers deeper bass. More features include: Sensor(Accelerometer, Gyro Sensor, Hall Sensor, Proximity Sensor, Touch Sensor, VPU), The inside mechanics of the Galaxy Buds2 Pro. 2-way speakers for wide frequency response. Simply start talking and Voice Detect will turn off ANC and activate Ambient sound — allowing you to clearly hear the conversation without removing your Galaxy Buds2 Pro.