Wireless Bluetooth 5.4 Earphones Delay Free ANC Noise Reduction Headphones HIFI Sound Quality Headsets Waterproof Sports Music Earbuds

Features： 3d surround sound effects comfortable to wear hifi sound quality senseless game delay high-definition digital display intelligent touch control specifications: bluetooth version: bluetooth 5.

4 earphone type: in-ear microphone: yes noise reduction: active waterproof: yes playback control: yes battery input voltage: dc 3.

2-4.

2v charging input voltage: dc 5v+.

-0.

25v bluetooth range: 2.

4ghz-2.

48ghz ism band receiving sensitivity: rx sensitivity with -94.

2 @ edr.

Maximum rf output power: tx output power+9dbm in max single packaging size:12.

2.

8.

0.

3.

2cm package includes: charging case x1 headphones x2 charging cable x1 instruction manual x1.