Features:
1. Lightweight in-ear design
2. IP54 waterproof and dustproof
3. One-key reset, simple operation
4. 12mm large dynamic coil, dual microphones to reduce noise
5. A single use of 5 hours, with a long battery life of up to 20 hours with a charging box

Product specifications:
1. Wireless connection: Bluetooth 5.2
2. Communication distance: 10m (barrier-free open environment)
3. Net weight of single earphone: about 4.5g
4. Total weight with charging box: about 51g
5. Earphone battery life: about 5 hours
6. Headphone charging time: about 1.5 hours
7. Charging time of the charging box: about 2.5 hours
8. Headphone size: 40.7x16.9x18.7mm
9. Charging box size: 49.6x49.6x24.4mm
10. Charging interface: Type-C

Packing list:
Charging box x 1
Charging cable x 1
Instruction manual x 1
Headphones (with M earplugs) x 2
S earplugs x 2
L earplugs x 2