China 2021 New TWS Hot Selling Handsfree Wireless Headphone Blue tooth Headsets Wireless Earbuds Earphone

2021 New TWS Hot Selling Handsfree Wireless Headphone Blue tooth Headsets Wireless Earbuds Earphone
How to connect headphones
1. Remove the earphones and press the left and right earphone buttons with both hands (3 seconds)
The two headphone lights keep blinking, don't touch it.Wait until a headphone light is dark
2. At this time, when the mobilephone is close to the earphone, a connection screen will appear.Driver15mmImpedance32 OHMBlue tooth versionBlue tooth v4.2 + EDRBlue tooth use ban2.4GHzPower levelCLASS IIOutput power30mWdistance10 meters barrier10 meters barrier20-20000HzOperating voltage range3.0V-4.2VMic sensitivity-42dBTalk time1-2 hoursmusic time1-2 hoursStandby time100 hours
Product Specification:
1. Drive: 15mm
2. Impedance: 32 OHM
3. Blue tooth version: Blue tooth v4.1 + EDR
4. Blue tooth use band: 2.4GHz
5. Power level: CLASS II
6. Output power: 30mW
7. Blue tooth distance: 10 meters barrier
8. Frequency response: 20-20000Hz
9. Operating voltage range: 3.0V-4.2V
10. Mitou sensitivity: -42dB
11. With A2DP / AVRCP high quality stereo audio transmission and remote control protocol
12. Powerful noise de-noising circuit (active noise reduction)
13. switch between Chinese and English (boot does not connect Blue tooth state, press the switch 2 times, hear the tone switch successfully)
14. Charging time about 1 hour (power indicator charging: red light, full power: red light off (blue light).)
15. Product Size: Length 2cm. Width 1.7cm. High 4.5cm
16. Product net weight of about 5g
17. Talk time is about 4-5 hours(with charger box)
18: Talk time is about 1.2 hours (USE ALONE):
19. music time about 2-3 hours(with charger box)
20. music time about 1 hours(USE ALONE)
21. Standby time is about 100 hours
22. The charging time is about 60 minutes
23. Battery capacity 60MAH
24. Charging power: DC5V power supply [round hole interface] (computer USB port, mobile phone charger, car charger)
25. Compatible phone: compatible with Andrews, Apple, Microsoft, Saipan system with 99% of the mobile phoneseline;">Packaging includes:
1pc i9s Blue tooth earphone
1pc Charger Box
1pc Charging USB Cable
1pc User Manuel
Without retail package if you need,you could add one more box .Thanks!