Descriptions

- Model: M90 PRO

- Wireless Version: 5.2

- Effective distance: 10-15M

- Frequency: 100HZ-10KHZ

- Case Battery capacity: 40mAh

- Earbud Battery capacity: 1200mAh

- Music time: 4 hours

-Talk time: 4 hours

-Standby time: 150 hours

-Charging time: 1-2 hours

- Shutdown current: 3-5UA

- Made in China