Drawer Type S2 Ear-in TWS Bluetooth V5.0 Wireless Earphones(Grey)

product manual: Headphone light status indication Power on: blue LED light Shutdown: red LED flashes 3 times When charging: the red LED is bright Charging completed: red LED off Matching instructions: First paired with two Bluetooth headsets Pair the Bluetooth master device to achieve stereo The left and right ears of S2 are paired at the factory. Product information: 1. Name: (TWS) S2 2. Size: 39 x 56 x 188mm 3. Earplug weight (each): 5g 4. Charging box: 100 grams 5. Output power: 5mW 6. Channel: Stereo 7. Frequency response: 6HZ-20kHz 8. Signal to noise ratio: 295dB 9. Battery capacity earlobe (each): 60mAh 10. Charging box: 1200 mAh 11. Battery charging time: earplugs for 90 minutes 12. Charging box: 2 hours