From Samsung
• Compatible Specification of Smartphone: Android 7.0 or higher , 1.5GB or higher • Bluetooth Version: Bluetooth v5.2 • Number of MIC: 6 • Speaker: Custom 1-way • Active Noise Cancellation: Yes • Ambient Sound: Yes • Package Contents: Charging Case, Earbuds, Eartips (S, M, L), Quick Start Guide, USB Cable