JBL Headset Key Technical Specifications: Battery Life: Up to 40 hours of continuous playback on a single charge. Fast Charging: 5 minutes of charging provides 2 hours of listening, and a full charge takes about 2 hours via USB-C cable. Connectivity Technology: Bluetooth 5.0 for stable wireless connection. Driver Size: 32mm, delivering the famous JBL Pure Bass sound. Weight: Lightweight, weighing only about 160 grams. Frequency Response Range: 20 Hz - 20 kHz Huawei Wireless Charger