2. Impedance: 32 OHM
3. BT: v5.0 + EDR
4. BT use band: 2.4GHz
5. Power level: CLASS II
6. Output power: 30mW
7. BT distance: 10 meters barrier
8. Frequency response: 20-20000Hz
9. Operating voltage range: 3.0V-4.2V
10. Mic 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
13. Talk time is about 2 hours
14. Music time about 2 hours
15. Standby time is about 100 hours
![](http://sc04.alicdn.com/kf/Heffbc54b27d04da4b47f0f9f52005410K/201640517/Heffbc54b27d04da4b47f0f9f52005410K.jpg)
![](http://sc04.alicdn.com/kf/Hb3b2d5c5bd8e4f79b9bed18dbb2a0193j/201640517/Hb3b2d5c5bd8e4f79b9bed18dbb2a0193j.jpg)
![](http://sc04.alicdn.com/kf/H4f2c5b83ee434039a257ac8351adb734b/201640517/H4f2c5b83ee434039a257ac8351adb734b.jpg)
![](http://sc04.alicdn.com/kf/Hdcf7c6744bf042759e4f4630ca226eb1g/201640517/Hdcf7c6744bf042759e4f4630ca226eb1g.jpg)
![](http://sc04.alicdn.com/kf/H485a90ad61084af896e5c1aa401ec424H/201640517/H485a90ad61084af896e5c1aa401ec424H.jpg)
![](http://sc04.alicdn.com/kf/H47fd8817580f4ee2b5e37bd43bec7a9dT/201640517/H47fd8817580f4ee2b5e37bd43bec7a9dT.jpg)
![](http://sc04.alicdn.com/kf/Hf29dfaa7333f4e40a57ef6d332a2640e0/201640517/Hf29dfaa7333f4e40a57ef6d332a2640e0.jpg)
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