• 3D stereo bass :Experience immersive sound with 3D stereo bass that creates a surround sound effect.

• Waterproof design:Take your music anywhere without worrying about water damage with a waterproof design that is suitable for use in all weather conditions.

• Portable and lightweight :Pack light and take your music with you on-the-go with a portable and lightweight speaker that is easy to carry.

• High-power Bluetooth speaker:Enjoy powerful and clear sound with a maximum power output of 40W.

• 3D stereo bass :Experience immersive audio with 3D stereo bass for a more intense listening experience.

• IPX5 waterproof:Take your music anywhere without worrying about water damage with an IPX5 waterproof rating.

• TWS boom box :Enjoy high-quality sound from two separate speakers with TWS technology for a more expansive and clear audio experience.

Selling Point

Battery capacity: 4000mAh

Bluetooth version: 5.2

Speaker: 40W

Transmission distance: 10m

Frequency response: 20Hz-20KHz

Signal to noise ratio: ≥ 85dB

Working voltage: 7.4V

Distortion:<1%

Charging voltage: DC5V

Charging interface: type-c

TF card playback: 2.5-3.5h

Standby time: ≥ 30 days

Charging time: 5-6H

Long Playtime

S51PRO has a built-in lithium-ion polymer battery with a long battery life and can play music for 10 hours continuously.

Super small steel cannon

The S51PRO is equipped with a 57mm full range driver with a total output power of 40W (root mean square), specifically tuned for music, making bass clearer and more transparent.

Product List

* Large battery

* 10 Hours Playtime

* Bluetooth v5.2