1. Chip: JL 6973d
2. Bluetooth V5.1, 10 meters transmission distance
3. ENC call noise reduction, ultra-low latency
4. Professional EQ adjustment, high fidelity sound quality
5. Bluetooth protocol: HFP/A2DP/HSP/AVRCP
6. Battery life: 4.5 hours of calling, 7.5 hours of playback
7. Up to 26 hours long battery life when used with the charging case
8. Charging box power: 380mAh (can charge both earbuds about 2.5 times)
9. Charging interface: Type-C