SOYTO SY-T2 Noise Reduction Bluetooth Headset Wireless Game Headset 1. Bluetooth: V5.3 2. Battery capacity: 300mAh 3. Charging time: about 2h 4. Bluetooth: V5.1 5. Transmission distance: about 10m 6. Use time: about 10-15h 7. Operating voltage: DC 5V 8. Charging port: Type-C 9. Weight: about 170g 10. Size: about 18 x 20 x 7.5cm Features: 1. HIFI large unit, 360-degree panoramic sound effects 2. Built-in 40MM neodymium-iron-boron strong magnetic sound unit, with vibration conduction sensitivity of the biological diaphragm, sound wave delicate and full-bodied 3. Built-in dual noise-canceling microphone, focusing on picking up your voice, effectively filtering ambient noise, bringing a clearer call effect 4. Retractable, foldable and rotatable design, easy to put away, flexible storage 5. Soft and breathable ear cup design, with a lightweight and comfortable headband, no pressure on the ear for a long time 6. Multi-functional buttons, thoughtful design, one hand can complete the switch on and off, tuning, play pause, switching and other controls, convenient and quick 7. Support wireless, wired mode, plug-in mode, compatible with computers, cell phones (wired mode only supports music playback, does not support voice calls) 8. Bluetooth 5.3 technology, integrated chip, bringing lower power consumption, faster transmission speed, stronger stability, effectively reduce audio delay, smooth sound without lagging 9. Adopt self-developed non-sensitive delay technology, audio and video synchronization, immersive, sound recognition, stereo sound effects Packing list: - Headset x 1 - Charging cable x 1 - 3.5mm audio cable x 1 - Instruction manual x 1