WK Design D31 Bluetooth speaker, 8 W, 2000 mAh, RGB, black

The WK Design D31 is a portable speaker for music and audiobooks at home or at work. Bluetooth 5.0 reaches up to 10 m, and thanks to the 2000 mAh battery it does not need to sit near a socket. The body has RGB lighting.

The maker highlights: output is 8 W, it plays for 6–8 hours per charge, charging over USB-C takes 2–3 hours and the frequency range is 40 Hz to 20 kHz.

• Power. 8 W
• Battery. 2000 mAh, 6–8 h
• Bluetooth. 5.0, up to 10 m
• Charging. USB-C, 2–3 h
• Weight. 670 g
• Colour. black
• Manufacturer code. D31black