Acoustic system: Closed Frequency range: 20 - 20,000 Hz Impedance: 32 Ohm Maximum power input: 10 mW Sensitivity: 102 dB (1K Hz) Speaker diameter: 40 mm Driver type: Dynamic Bluetooth version: 5.4 Bluetooth profiles: A2DP | AVRCP | HFP Maximum range: Up to 10 m Multipoint connection: Yes Supported codec: SBC