Logitech Jaybird RUN Ture Wireless Bluetooth Sport Earphone with Portable Charging Case (White)

1. Lightweight and comfortable, different size ears fit different ear shapes
2. Light weight, only 6.83g for a single earphone
3. Waterproof, but not suitable for swimming, showering or being exposed to swimming pool or sea water
4. After the anti-sweat process, it can effectively prevent acid erosion and effectively protect the headphones
5. Fully charged can provide about 4 hours of long battery life, and 8 hours of charging box power
6. The charging box equipped with fast charging technology can guarantee about 1 hour of listening experience in 5 minutes
7. Custom sound effects, through MySound APP, you can personalize your own sound effects
8. Product type: in-ear
9. Impedance: 16Ohms
10. Response frequency: 20Hz-20KHz
11. Frequency band: 2.4GHz
12. Bluetooth version: 4.1
13. Play time: about 4 hours
14. Charging time: about 2 hours
15. Battery type: lithium ion battery
16. Battery voltage: 3.8V
17. Dimensions: 14x19.5x19mm