BH-03

* With ANC function

* Human engineering in-ear design

* CVC6.0 Impressive noise reduction& echo cancellation

* Frequency response Frequency response: 20Hz-20KHz

* Bluetooth Version:V5.3+EDR

* Bluetooth transfer distance:10m

* Supports handsfree function

* Smart voice prompts & broadcast incoming call number

* Built-in 500mAh rechargeable lithium battery for the case

* Built-in 35mAh rechargeable lithium battery for the headset

* Working time: Talking time: 3-5h, Music play time: 3-5h