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  • Bluetooth Version : 5.0 + EDR
  • Frequency Response Range : 20-20KHz
  • Bluetooth Distance : 15m
  • Battery Capacity : 50mAh
  • Charging Time : 1.5 hours
  • Music Time : 8 - 10 hours (at 40% volume)
  • Working Time : 3 - 4 hours (at 40% volume)
  • Standby Time : 100 hours
  • Microphone : Yes
  • Sensitivity : 98db + 1.5db
  • Impedance : 16Ω
  • Size : 95 x 34mm
  • Input Charge : Micro USB / 5V1A
  • Ouput Charge : 4-6 times
  • Standby Time : 30days
  • Color : Green / Red / Black
  • True Wireless , Low Latency up to 120ms. - 4FREE uses high resolution and 120ms low latency to achieve synchronization of music and painting, sound and environment.
  • Touch Operation - Touch to control , easy to operate. Key-less touch design, one hand can complete the operation of playing / next music / answering phone, and both earphones can be used independently.
  • Listening Position , Electronic Competition - Customized electric competition game speaker are effective, enhance the sound effect of gunfire and footstep. Easy to hear to identify positions.
  • Leather Metal Magnetic Charging Case - Leather design charging bin. Charging bin is wrapped in selected high-quality leather. The closed parts inlaid with metal ornaments to show the nature of the game.
  • Built-in Large Capacity Battery - Standby time up to 100 hours, and the charging lasts for 4 hours, it can be used continuously for up to 10 hours.
  • Take out and Boot up - 4FREE integrates storage and charging, and automatically closes and charges when entering the charging case.
  • Anti-Jamming, Signal Stabilization - Stable anti-interference.
  • Comfortable to Wear. - Deep fitting ear canal, isolated from external noise, bring better game experience.
  • HD Voice, using silicon crystal semiconductor pickup element - 4Free uses the silicon crystal semiconductor pickup element, which, together with beam forming pickup technology, can clearly and truly restore the sound. Even in outdoor, roadside, shopping malls and other noisy places, it can also realize clear communication later, especially in chicken eating group chat, with a clearer dialogue experience.
  • IPX4 waterproof grade - Even if it is drizzled with light rain, it can still be used.
  • 4.2g Lightweight Single side
  • iOS and Android Friendly - iOS & Android system is fully compatible, supporting headset power display
  • Voice Assistant