Features 360 audio 16-bit hi-fi anc battery up to 20hrs with case (anc off) speaker dynamic 2-way woofer & tweeter microphone 3 mics + vpu chipset bes2500zp os rtos connectivity bluetooth : 5.2 bt profile : hfp, a2dp, avrcp codec : scalable (samsung proprietary), aac, sbc sensor accelerometer, gyro, proximity, hall, touch, vpu(voice pickup unit) compatibility android devices running android 7.0 higher, with over 1.5gb of ram pc buds manager downloadable thru ms app. store (avail. above win 10) convenience auto switch, bixby voice wake-up in the box: galaxy buds2 earbuds 1 set charging case ear tips (small, medium, large) cable (usb type-c) quick start guide