Shocking heavy bass: high-quality components, faster response, high fidelity, combined with professional three frequency tuning to restore music with bright high frequencies, full mid frequencies, and rich and elastic low frequencies Bluetooth 5.3 chip: equipped with Bluetooth 5.3 chip, no sensing delay, smoother movie watching and gaming, stronger penetration, and more stable signal Dual ear intelligent noise reduction, wireless ultra clear communication: Dual microphone noise reduction technology makes video calls as clear as face-to-face conversations, and can also communicate normally during exercise Large capacity charging case: The large capacity charging compartment not only provides long-term battery life for headphones, but also charges mobile phones. It can be used as a power bank, making travel more reassuring Game audio and video synchronization: low latency algorithm for improving gaming experience Soft silicone ear cap: ergonomically designed to elevate comfort to a whole new level, comfortable to wear for a long time Waterproof and dustproof design: Compact structure design, no need to worry about sweat damage to the earphones for daily use Specifications: Material: ABS Plan: 5656T2 Battery Capacity: Headphones: 40mAh; Charging Case: 500mAh Usage time: Listen to music for 3-4 hours Charging time: 1.5H Charging interface: Type-C Bluetooth Version: 5.3 Distance: 10 meters