Description

Brand: Trusmi

🔧 Technical Specifications

• Bluetooth Version:
  V5.4
  → Stable and energy-efficient wireless connection with extended range and low latency.

• Battery Capacity:
  600mAh (Model CEL303450)
  → High-capacity lithium battery for long-lasting performance.

• Charging Time:
  Approx. 1.5 hours
  → Fast recharge for minimal downtime.

• Playback Time:
  Up to 69 hours (depending on volume and usage)
  → Ideal for long trips, work sessions, or extended listening.

• Standby Time:
  Theoretical 1000 hours
  → Long standby ensures the headphones are always ready to use.

• Wireless Transmission Distance:
  Up to 18 meters
  → Extended Bluetooth range for greater freedom of movement.

• Speaker Driver Size:
  Ø40 mm
  → Large dynamic drivers delivering rich bass, clear mids, and crisp highs.

• Speaker Sensitivity:
  122 ±2.5 dB SPL @ 1kHz
  → High output sensitivity for detailed and powerful sound.

• Impedance:
  32Ω
  → Compatible with most devices, providing balanced power and performance.

• Frequency Response Range:
  20Hz – 20KHz
  → Full-range audio reproduction from deep lows to sparkling highs.

• Microphone Sensitivity:
  -32 ±1 dB @ 1kHz (0dB = 1V/Pa)
  → Clear voice pickup for calls and virtual meetings.

• Rated Input Power:
  3W
  → Optimized for efficient sound output with minimal distortion.

• Audio Interface:
  USB Type-C
  → Modern, reversible connector for charging and wired audio if supported.

• Operating Voltage:
  ≤607mVRMS ±10mV
  → Stable and safe power handling for daily use.

• Supported Bluetooth Profiles:
  HSP, HFP, AVRCP, A2DP, BLE, SPP
  → Broad compatibility with smartphones, tablets, PCs, and Bluetooth-enabled devices.

Specifications

• Weight: 200gr
• Usage: Indoor & outdoor

Pros and cons

• Sustainably produced
• Ideal for everyday use
• May discolor in direct sunlight