Features of GX501 TWS Earbuds 1. Using Taiwan Audiowise 5.0 BT chip, supporting 65 ms Low Latency Mode, providing a incredibly in time precise sound from every direction, helping you aim your target and win the game easily 2. Charming fantastic LED light on both of earbuds and charging case 3. Inclined ergonomics in-ear design, perfect match for different people ear shape; having high fidelity sound effect; comfortable for long time wearing 4. Unique geometrical gaming appearance, showing your bold personality 5. Built in Hall switch, connecting BT automatically when you open the case 6. Multifunctional smart touch headphones, controlling easily: take a call, play music, access your phone’s Assistant like Siri 7. Advanced Type-C charging port, you could insert Type-C cable easily (does not matter which side is up) 8. Main/Slave design with more stable signal; moreover, you could put any one of it in charging case and it will switch single-side mode automatically, the other one earbuds can be used separately 9.With wireless charge    Microphone Mic Dimensions 2.75×1.85×1.0mm Directivity Omnidirectional  Sensitivity -38±3dB Impedance ≤2.2KΩ Headphones Driver Diameter Ø8mm Sensitivity 100dB±3dB Frequency Response 20Hz-20kHz Impedance 32Ω±15% Working Time 4h Operating Range  10m Net Weight 50g