1.Chipset: BES2300Z

2. bluetooth version V5.0

3. Noise Reduction Value: 25dB

4. transmitted power  Class 2 （-6dbm~ +4dbm）

5. batty : 50mA/h 581013 /500 mAh

6. working frequency :2.4G ISM（2.402-2.480GHZ）

7. charging box size : 64.0*55.0*26.0mm

8. earphone size: 39.2*22.3*25.2mm

9. Rated charging current / voltage: 5v 50mA/h

10. pairing name: Bettypod ANC

11. support : HSP V1.2/HFP V1.7/A2DP V1.3 /AVRCP V1.6

12. charging time 1.5hs ,earphone charging times  3 times 

13. talking time  about 5hs

14. music time  5-6 hs

15.red light one （low battery ）

red light on（30% ） orange light on （31%-70%） green light on （71%-100%）

16. weight of whole product 55g

17. weight of single earphone  5g