Walkie Talkie Earpiece with Mic 3.5mm Radio Earpiece Acoustic Tube Earpiece Headset with CTIA/OMTP Mode Stereo Air Tube Radiation Protection Headphones for Mobile Phone (1M)(Black) Black Color:Black Photography Studios (Black)

Photography Studios (Black)

it can scan barcodes with an USB cable which will charge the scanner gun at the same time

playing games，watching YouTube

Frost King L344H Poly Foam Self-Stick Weather seal Tape with Open Cell & Maximum Compression

There are two built-in microphones

Walkie Talkie Earpiece with Mic 3.5mm Radio Earpiece Acoustic Tube Earpiece Headset with CTIA/OMTP Mode Stereo Air Tube Radiation Protection Headphones for Mobile Phone (1M)(Black) Black Color:Black Photography Studios (Black)Walkie Talkie Earpiece with Mic 3. 5mm Radio Earpiece Acoustic Tube Earpiece Headset with CTIA OMTP Mode Stereo Air Tube Radiation Protection Headphones for Mobile Phone (1M)(Black) Specifications: Material: plastic, metal Colour: Black Cable length: 1 meter Plug: 3. 5 mm Type: Stereo air tube radiation protection headphones. Speaker specifications: 10 mm Sensitivity: 102dB s. p. lat 1KHz Speaker frequency response: 20Hz 20000Hz Impedance: 32 Rated