Spec:
Item Type: Gaming Headset
Material: ABS
Driver Diameter: Approx. 50mm / 1.97in
Chipset: JL7018F BT5.3 Version
Support Protocols: for AVRCP1.6, for A2DP1.3, for HFP1.8, for HSP1.2
Sound Decoding: WMA, APE, FLAC, AAC, M4A, WAV, AIF, AIFC
BT Distance: Approx. 10m / 32.81ft
Frequency: 20Hz-20KHz
Microphone Sensitivity: -42±3DB
Sensitivity: 101±3DB
Impedance: 32Ω
Frequency Response Range: 20-15KHZ
Battery Information: 1 x Lithium Ion Battery 1000mAH (Built in)
Playback Time: 10 hours
Sound Delay: 45mS
Charging Time: 2 hours
Charging Port: Type C
Connection Method: BT Connection, 2.4GHz Connection (USB and Type C Ports), Sound Cable Connection (3.5mm and USB Ports)

How to Use:
Follow the instructions manual after taking out the product.

PackageList:
1 x Headphones
1 x 3.5mm Cable
1 x USB Sound Cable
1 x 2.4GHz Adapter (USB and Type C Combination)
1 x User Manual

Notice:
1. This is a built in microphone, no external;
2. If the cable is inserted, there is no speaking function, unless the cable is equipped with a microphone;
3. connection can be made with microphone function.