Connection: BT,2.4G, Wired TRRS 3.5mm Speaker Diameter: 50 mm Microphone Diameter: 4*1.5 mm Microphone Direction: Omni-Directional Frequency Response: 15-30000 Hz Speaker Sensitivity: 114 ± 3 dB Microphone Sensitivity: -38±2 dB Speaker Impedance: 64 Ω±15% Microphone Impedance: ≤2.2 ΚΩ(Μax) Bluetooth Range: 15 m 2.4G Wireless Range: 10 m Playing Time: Up to 40 Hours Standby Time: Up to 300 Hours Battery Capacity: 400 mAH Charging Time: Approx 2 Hours Weight: 180±3 g
