1. Product model: M2310E1 2. Bluetooth: 5.3 3. Communication distance: 10 meters (barrier-free open environment) 4. Charging interface: Type-C/USB-C 5. Earphone battery life: earphone: about 5.5H 6. Charging box battery life: about 28H 7. Earphone charging time: earphone: about 30min 8. Charging time of charging box: about 1.5H 9. Waterproof grade: IP54 10. Earphone size: 23.91 x 15.86 x 31.44mm 11. Charging box size: 64.27 x 24.45 x 53.08mm 12. Net weight of a single earphone: about 3.6 grams 13. Total weight: about 41 grams
Packing list: -Earphone x 1 -Ear caps x 2 pairs -Instruction manual x 1