Features:
1. Bluetooth 5.4 chip, lower power consumption, more stable signal, low latency and no lag. Master-slave switching technology, connect immediately after power on, use left and right earphones as you like, seamless switching, simple and casual, truly free.
2. Automatic pairing when opening the cover and turning on, automatic shutdown when putting the earphones into the charging case and closing the cover. Supports master-slave switching, switching between previous and next songs, calling Siri and other functions.
Specifications:
1. Bluetooth 5.4; Chip: Jerry AC6983D2
2. Battery capacity: 300mAh for charging case, 40mAh for earphones
3. Use time: 7 hours
4. Size: 62x50x26mm, total weight: 48g
5. Material: ABS