audio-sound @ hatena

An audio review & news blog. The volume should not exceed 80 dB is recommended. I usually adhere to the safe-listening style by WHO. Please note that my aural impressions and interpretations of measurements are also made from a safe-listening style.

(News) TRN BT3S pro: Bluetooth Neck-type Replaceable Bluetooth Upgrade Cable

TRN BT3S pro

TRN BT3S pro


TRN has released its latest Bluetooth re-cable, the TRN BT3S pro.



  • Premium Qualcomm Bluetooth Chip
  • Magnetic Charging Design, Long Battery Life
  • Crystal Clear Voice Transmission with Qualcomm cVc 8.0 Technology
  • One-Touch Smart Control
  • Neck-Type Replaceable Design



  • Bluetooth chip: QCC3034
  • S/N ratio: 96.48dB
  • Output Power: 30mW
  • THD: < 0.05
  • Latency: 88ms
  • Bluetooth encoding: aptX HD, aptX, AAC, SBC
  • Bluetooth version: Bluetooth 5.1
  • Charging port: magnetic charging
  • Battery capacity: 100mAh
  • Playback time: 10h
  • Standby time: 180h
  • Charging time: 1-2h
  • Effective signal range: > 15m
  • Weight: 15g



Premium Qualcomm Bluetooth Chip

TRN has equipped the BT3S pro with Qualcomm’s advanced QCC3040 Bluetooth signal processor chip. It provides the latest Bluetooth V5.1 connectivity with Apt-X Hi-Res wireless transmission codec support. The pair provides a smooth, lag-free experience for its users with ultra-low signal delay and a stable connection with the source device. Support SBC/AAC/aptX/aptX HD audio codec format.


Magnetic Charging Design, Long Battery Life

TRN BT3S Pro has a more convenient magnetic charging design. One simply doesn’t have to worry about the battery draining out with the TRN BT3S pro. The pair has a super long battery life of up to 110 hours on a single charge with the earpieces.


Crystal Clear Voice Transmission with Qualcomm cVc 8.0 Technology

TRN BT3S Pro has a microphone that has built-in Qualcomm cVc 8.0 noise cancellation technology. It effectively reduces ambient background noises when on the call and transmits your voice with great clarity.




One-Touch Smart Control

Both the left and right modules have an aluminum alloy button for smart touch support. It can be used for multiple media controls such as play/pause, previous/next track, pickup/hangup call, and more.


Neck-Type Replaceable Design

TRN BT3S Pro is a replaceable and pluggable Bluetooth upgrade cable. The purchase match only includes one plug. If you need other plugs, you need to purchase them separately.


Price & Availability

TRN BT3S Pro is now available at Linsoul and other locations for $36.80.


TRN BT3S pro

TRN BT3S pro