Bluetooth Speaker Systems for Hydrophones

Enjoy hands-free, cord-free listening to the sounds below you while you sit in your kayak or your boat, or anywhere.

These bluetooth speaker systems are great options for either the SQ26-H1B hydrophone or the Cetacean Research Technology SQ26-H1 Portable Underwater Recording System.

Chose from Bluetooth Headphones or a Waterproof Speaker, or get both.

Waterproof Bluetooth Speaker System for Cetacean Research Technology hydrophones

photo of suction cup mounting


  • Waterproof EcoRox bluetooth speaker*; floats if dropped in water
  • Bluetooth transmitter - connects to the headphone output of the hydrophone system recorder
  • Suction cup mount (for attachment to deck or kayak or boat)
  • front-view
  • back view
  • bottom view
  • side view
  • suction cup mount


  • IPX7 Waterproof. Fully submersible in water.
  • Rugged, Waterproof and Floating Bluetooth Speaker
  • Integrated Full Range 6 watt Stereo Speakers
  • Top Mounted Bass Radiator
  • Connects to your Smartphones, Tablets and Laptops
  • Top Panel Control Buttons: Power, Bluetooth Pairing, Volume +/-, and Speakerphone Answer
  • Built in Battery: Lithium Rechargeable 7.4V 1800mAh, 10 hour play or talk time (actual time varies)
  • Aux-In Mounting Options via ¼ 20" Camera mount screw post

Size, Weight

  • Height: 2.5"
  • Width: 5.3"
  • Depth: 3"
  • Weight: 11 oz.

Input, Output

  • Micro USB Charging Jack
  • 3.5mm Aux-In Jack


  • Li-Ion Rechargeable Battery
  • Over 10 hours playtime
  • Fully re-charges in 2.5 hours

Bluetooth Headphones for Cetacean Research Technology hydrophones

bluetooth headphones

USB Rechargeable Bluetooth headphones !


  • Bluetooth headphones*
  • Bluetooth transmitter - connects to the headphone output of the hydrophone system recorder
  • Waterproof case to protect H1 or VR recorder and the bluetooth transmitter
  • Bluetooth headphones side view
  • Bluetooth headphones
  • Bluetooth headphones


  • Bluetooth Specification v2.1+EDR class 2
  • The latest version of A2DP1.2 and AVRCP1.0 profiles support
  • Supports Bluetooth Headset and Hands-free Profile(HFP 1.5)
  • RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band
  • Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm
  • Frequency Response: 20 Hz -20 KHz, Very high Signal to Noise Ratio (SNR):95 Db, Total Harmonic Distortion (THD):0.1%
  • 5 Button design: MFB (Multi-Function Button), VOL+, VOL-, FWD, REV
  • LED Indicator Status: Blue, Red
  • Rechargeable 400mAh Li-Polymer Battery
  • Micro USB Plug charging Port • Nominal charging time: About 4 hours
  • Talk time: Up to 20 hours
  • Standby time: Up to 400 hours
  • Dimensions (main body): 54(diameter) x 23(H)mm
  • Weight: 71.2 grams UPC 633726326200
  • Operating Temperature: -10 oC - 50oC
  • Storage Temperature: -20 oC - 80oC

* the make and model of our Bluetooth accessories are subject to change without notice.