Portable Bluetooth Speaker with Heavy Bass with Power Bank Function

1. Bluetooth music player with heavy bass and long standby time.
2. Equipped with two 45mm high-sensitive speakers for powerful sound.
3. Features a 4000mAh power bank function that allows you to charge your mobile devices.
4. Supports TF mode and can play music from a TF card with a maximum capacity of 32GB.
5. Made of durable metal material and is waterproof, making it perfect for outdoor use.

Additional features include:

• AUX, Bluetooth, USB, and Audio Line communication
• Supports memory card and phone functions
• Output power of 5W x 2
• Built-in microphone for hands-free calling
• Portable and easy to use with a button switch
• Bluetooth version 5.0
• Battery capacity of 4000mAh
• S/N ratio of ≥90dB
• Music play time of about 18 hours
• Charge time of 5 hours
• CE, RoHS, and ce certified