1, Bluetooth 5.1, chip: JL AC6973
2. Battery capacity: charging compartment 300mAh, earphone 30mAh
3. Talk/music time: 4 hours, standby time 120 hours
4. Size: 54.5*47*25mm; total weight: 40g
5. Support master-slave switching, summon Siri
6. Translucent design, more technological sense