Specifications:
1. Drive: 15mm
2. Impedance: 32 OHM
3. Bluetooth version: Bluetooth v4.1 + EDR
4. Bluetooth use band: 2.4GHz
5. Power level: CLASS II
6. Output power: 30mW
7. Bluetooth 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. Charging time about 1 hour (power indicator charging: red light, full power: red light off (blue light)
14. Product Size: Length 25MM. Width 15MM. High 35mm
15. Talk time is about 4-5 hours
16 Music time is about 4-5 hours
17. Standby time is about 120 hours
18. The charging time is about 60 minutes
19. Battery capacity 60MAH
20. Charging power: DC5V power supply [round hole interface] (computer USB port, mobile phone charger, car charger)
21. Compatible phone: Compatible for Android, for iOS, for Microsoft, Saipan system with 99% of the Bluetooth mobile phone
22. Product colors available: Black, White, Pink, Gold

Package includes: 1pc Bluetooth earphone (only 1pc for left ear, it's not 1 pair ) 1pc Charging USB Cable 1pc User Manuel Notice: If you need to connect with your PC, please make sure there is a bluetooth transmitter in your PC. Connection Guide: Long press the button about 5 seconds, until you see blue and red lights alternately bling, then let go of button and device is connected.

This is for left ear only

• ✔ CONVENIENCE: Accept calls while listening to music and movies.
• ✔ SOUND: Noice-reduction function, stero sound, It is your ideal standby earphones.
• ✔ COMPATIBILITY: Compatible with iPhone X / iPhone 8 / iPhone 7 7Plus 6 6s 6s Plus / Galaxy Android Phone, Laptop, Tablet and Any Bluetooth Compatible Device

✔ CONVENIENCE: Accept calls while listening to music and movies.HBQ