1. Material: PC+ABS+Silicone
2. Bluetooth chip and version: JL V5.3
3. Standby time: about 90 days
4. Working time: about 5 hours
5. Battery capacity: 180mAh for charging compartment / 30mAh for one ear x 2
6. Frequency response: 20Hz-20KHz
7. Supported protocols: HSP/HFP/A2DP/AVRCP
8. Transparent space capsule design, mini and compact, transparent beauty
9. Using Bluetooth 5.3, faster transmission, lower power, stable anti-interference, no sound delay