Hoco S3 Nature sound Headphones noise reduction wireless and wired

1. Wireless V4.2 CSR64215.
2. Support protocols: Headset, Hands-free, A2DP, Avrcp.
3. ANC function, using AMS
AS3415
noise reduction chip, noise reduction depth ≥ 25dB.
4. Speaker: 40mm, sensitivity: 114dB ± 3dB.
5. Battery capacity: 400mAh. Size: 210*115*83mm. Weight: 270g.
6. Charging voltage DC5V, charging time: 2.5hrs.
7. Call / music time: 20hrs
ANC on: 10hrs
. Standby time: 200hrs.
8. With ANC button switch, supports wired AUX input.
9. Battery display supported for Apple phones and some Android phones.