True Wireless Stereo Earbuds Version: Bluetooth 5.0 Impedance: 16 ohm Total Harmonic Distortion: <1% Frequence: 20Hz - 20KHz Connection Range: 10M Input Voltage: DC5V 1A Appearance Material: Alloy+ABS Speakers: 6mm x 2 Hifi stereo Battery: Headset 50mAh x 2 Cabin 400mAh Lossless Noise Reduction One Touch Key Binaural Call HIFI Audio Siri Voice Assistant Unique Breathing Light