Feature:1.With light( light can be turned off) 2.Double Microphone design 3.Detachable microphone and built-in microphone 4.Working as wired Gaming headset when plugging in adapter cable

Specification: Bluetooth version:V5.1 Connect distance:>=10 M without obstacle Music playing time: about 10hours. Battery capacity:400mAh Charging:Micro USB cable Charging time:About 2.5hours Speaker diameter: Ф50mm Speaker impedance: 22Ω Speaker frequency response: 20～20KHz Microphone specification: 6*2.7&4*1.5mm Microphone sensitivity: -40dB±3dB Microphone direction: OMNI directional Microphone frequency response: 50Hz-8KHz