L750 3 in 1 RGB Graffiti Pattern Wireless Gaming Noise Reduction Headset Features: 1. Using Bluetooth 5.1 chip, high-speed transmission is one step faster, no sense of delay, watching movies and games smoother, and the signal is more stable. 2. RBG lighting effects and colorful e-sports atmosphere bring you a different visual experience. 3. High-fidelity composite diaphragm, better sound quality. 4. Ergonomically designed, filled with three-dimensional cotton, comfortable and pressure-free to wear. 5. Upgraded large battery and low-power smart chip to bring a long battery life experience. 6. Folding design makes it easy to store and more flexible to carry when going out. 7. Multiple bending tests, metal arm design, durable. 8. Compatible with multiple modes, supports Bluetooth connection + SD card + 3.5mm plug-in cable. Specifications: 1. Bluetooth version: V5.3 2. Battery capacity: 400mAh 3. Working hours: 8-12H 4. Standby time: 120H 5. Transmission distance: 10M 6. Impedance noise reduction: 32 ohmscvc 6.0 Packaging list: - Bluetooth headset x 1 - Charging cable x 1 - Audio cable x 1 - Chinese and English manual x 1