ERD BTS-31 20W Bluetooth Speaker

The ERD BTS-31 Bluetooth Speaker delivers powerful, portable sound with 20W output for rich audio in any setting. Designed for everyday use at home, outdoors, and on the go, it pairs effortlessly with smartphones, tablets, and other Bluetooth-enabled devices.

Built with a durable enclosure and reliable wireless connectivity, the BTS-31 offers clear sound, strong bass, and long playtime. Its built-in controls make managing music and calls simple, while the rechargeable battery keeps the music going without being tethered to a power outlet.

Ideal for parties, picnics, travel, or everyday listening.

Key Features

• 20W high-output sound with enhanced bass

• Bluetooth wireless connectivity

• Built-in rechargeable battery for portable use

• Easy playback and call controls on the speaker

• Durable build for indoor and outdoor use

• Auxiliary (AUX) input for non-Bluetooth devices (if available)

Typical Specifications

• Output Power: 20W (RMS)

• Bluetooth Version: 5.0 / 5.1 (model dependent)

• Frequency Response: 80 Hz–20 kHz (typical)

• Battery Capacity: 2000–3000 mAh (approx.)

• Playtime: 6–10 hours (usage dependent)

• Charging Port: USB-C (or Micro-USB)

• Inputs: Bluetooth + AUX (if supported)

• Controls: Play/Pause, Volume, Track Next/Prev