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Got great headphones but they aren't Bluetooth? TUNAI Square is the perfect device to bridge the gap and let your wired headphones connect with Bluetooth phones, stereos, PMPs, and more. With Qualcomm aptX audio technology, this portable receiver easily pairs with your phone or device via Bluetooth, letting you enjoy wireless CD-quality audio and hands-free calls for up to 7 hours. TUNAI Square comes equipped with buttons for play/pause, Siri/Google Assistant, skipping tracks, and volume up/down, as well as integrated cable management to keep your headphones cable tidy. TUNAI Square connects directly with no special apps needed.

4.2/5 stars on Amazon: ★ ★ ★ ★

  • Qualcomm aptX gives you CD-quality audio over Bluetooth for aptX compatible devices
  • Qualcomm aptX Low Latency means no lag while watching video or gaming
  • Built in remote buttons for play/pause, Siri/Google Assistant, skipping tracks, volume up/down
  • 7 hour continuous playback time & charges quickly via USB
  • Up to 164ft wireless range in open areas
  • Integrated cable management to keep your headphone cable tidy
  • Internal mic with Qualcomm cVc noise cancelling for clear calls/voice chat


  • Color: black
  • Finish: matte
  • Materials: rubber, metal clip
  • Dimensions: 1.97"H x 1.77"L x 0.47"W
  • Weight: 0.59oz
  • Qualcomm CSR Bluetooth 5.0
  • Cirrus Logic 114dB DNR Discrete DAC
  • Profile Support: A2DP, AVRCP
  • Audio Format: aptx, aptx Low Latency, AAC, SBC
  • 165ft/50m Open Space Bluetooth Range
  • Built-in microphone: Digital EMES 62dB SNR
  • Unique cord management
  • Remote Control: Play / Pause / Previous / Next / Volume / Answer / End / Reject call / Mic mute / Activate Siri
  • 7 hours continuous playback
  • Aluminum alloy clip design to operate with one hand
  • Manufacturer's 1-year warranty


  • 3.5mm plug headphones
  • aptX capabal device such as a smartphone, laptop, or music player


  • TUNAI Square Bluetooth Amp for Headphones
  • MicroUSB charging cable
  • User's manual


  • Ships to US
  • Expected Delivery: Nov 7 - Nov 14


  • 30-day return policy