Brand:Samsung Bluetooth version:5.3 Speaker:Custom coaxial 2-way 360 Audio:Yes Battery capacity (earphone):61 mAh battery capacity (case):515 mAh Durability:IPX7 water resistance standard (earbuds) Dimensions:50.2 x 50.1 x 27.7 sensors:Accelerometer, Gyro Sensor, Hall Sensor, Proximity Sensor, Touch Sensor, Voice Pickup Unit (VPU) Color:Graphite