• The latest Bluetooth-compatible 5.3 connectivity and ultra-low latency keep synchronized with audio and video, convenient to keep in contact with your teammates all the time
• Built-in powerful 13mm driver unit, it provides 360-degree stereo bass HiFi sound quality
• With the 300mAh charging bin, you can charge the headphones on the go, providing long standby time
• The earphones are light in weight, with no pain feeling for long-term wearing 
• Waterproof design, no fear of sweat, great for running, hiking, cycling, car driving, business occasion, etc, enjoy superb sound quality instantly

Specifications:

• Bluetooth-compatible version: Bluetooth-compatible 5.3 (JL chip)
• Battery capacity: earphone: 30mAh*2; charging bin: 300mAh
• Standby time: 90 days
• Working time: 3.5-4h
• Size: 104*104*40mm
• Transmission distance: ≤10m
• Material: PC+ABS+TPE