LESIRI X12 Bluetooth Headset Mini Wireless Earphone Portable USB Magnetic Charging Headset Sport Earbud Headset for iPhone(Black)

1. Magnetic charging, more convenient
2. The weight is only 3.7g, small and light
3. CVC6.0 noise reduction, filter out background noise, provide you with clearer call sound
4. Built-in rechargeable lithium-polymer 40mAh battery, continuous 4 hours audio playback time, 6 hours talk time, 0.4-1 hour charging time (single earphone)
5. Charging time: 1-2 hours
6. Charging input: DC 5V
7. Standby time: 180 hours
8. Wireless range: 33 feet
9. Bluetooth version: V4.1
10. Frequency range: 2.402GHz-2.480GHz
11. Bluetooth profiles: A2DP, AVRCP, HFP, HSP
12. With Microphone: Yes
13. Sensitivity: 123dB
14. Support memory card: No
15. Frequency response range: 20-20000Hz
16. Waterproof: Yes
17. Vocal Principles: Dynamics
18. Support APP: No
19. Volume Control: No