**Product Specifications:**

**Brand:** SaLaR

**Model:** V38 Study Earphones

**Key Features:**

Equipped with super cardioid unidirectional microphone for clear recording and noise reduction

Pure copper shielded wire with anti-electromagnetic interference properties

Rotatable and adjustable microphone stem for personalized positioning

Inline volume control button switch for convenient adjustment

Available in USB interface version for laptops/desktops and rainbow version for tablets/smartphones

Built-in digital sound card for high-fidelity audio output

Four-pole single plug with spring shielded wire for compatibility with various devices

Colorful design options to suit student preferences

**Technical Specifications:**

Mic Dimensions: Φ6.0*5.0mm

Directivity: Super cardioid unidirectional

Sensitivity: -44±3db

Impedance: ≤2.2KQ

Driver Diameter: 30mm

Frequency Response: 20Hz-20kHz

Output Sound Pressure Level (S.P.L): ≤98dB

Plug Type: Four-pole single plug, USB plug

Sound Chip: None (for rainbow version), Included (for USB version)

Cable Length: ≥2m (spring wire for rainbow version, regular wire for USB version)

Net Weight: Approximately 170g

**Safety Recommendations:**

Avoid using earphones with earplugs for children under 18 years old

Limit headphone usage to 85dB for no more than 0.5-1 hour per session

CE and RoHS certified for quality assurance

SaLaR V38 Study Earphones are designed to enhance the learning experience for students, featuring advanced technology and safety considerations to support education in China.