Chipset: BES2500ZP

OS: RTOS

Speaker: Dynamic 2 Way : Woofer & Tweeter Mic

3 Mics + VPU

Connectivity: Bluetooth : 5.2

BT Profile : HFP, A2DP, AVRCP

Codec : Scalable (Samsung proprietary), AAC, SBC

Battery:

Play time: 5h / TTL 20h (ANC ON) *Bixby voice wake-up OFF
7.5h / TTL 29h (ANC Off)

Talk time: 3.5h / TTL 13h (ANC ON) 3.5h / TTL 14h (ANC Off)

Quick charging: 40min play / 3min charging (Wired, Wireless, D2D)
60min play / 5min charging (Wired, Wireless, D2D)
150min play / 10min charging (Wired,Wireless)

ANC off condition
*In case of wireless charging, Galaxy Buds2 should be put on the center of the charger in ordinary temperature
*Charging time is based on that battery power in earbuds is less than 30% when start charging
*Based on internal testing. Audio playback time tested by pairing a pre-production Galaxy Buds2 to a recently released Galaxy smartphone. Actual battery life and charging time may vary by usage conditions, number of times charged and many other factors.
*Play time may vary based on settings.

Earbud Dimensions: 17.0 x 20.9 x 21.1mm
Weight: 5.0g

Charging CaseDimensions: 50.2 x 50.0 x 27.8mm
Weight: 41.2g

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