360 HD Surround Sound: Portable Bluetooth speakers have shocking rich bass, no stutter at high volume, and 360 all-round sound effects. Equipped with 10W high quality speakers. The smooth and supple appearance gives you an excellent visual experience.The high frequency is clear and bright, the mid frequency is clear and clean, and the low frequency is quite low but powerful, and the sound is full. It delivers rich sound and boosted bass far beyond its size. Powerful battery life up to 24 hours: Small size but large capacity. Let you enjoy the music, day and night, all day long for your needs. Plays at 40% volume when fully charged, giving you 24 hours of uninterrupted music travel. IPX7 Waterproof and Anti-Damage: IPX7 protection, rainproof, dustproof, snowproof, splashproof, you can enjoy music in swimming pools, beaches, bathrooms, etc. It is also shock and damage resistant. Even if the bluetooth speaker is dropped from a heightof 1.5m, it is still intact. Bluetooth 5.0 and Wireless Stereo Pairing: A new generation of Bluetooth 5.0 technology, using A2DP technology transmission, lower power consumption than Bluetooth 4.2, but faster transmission speed, stronger anti-interference ability, more stable signalwithout delay. Two M7 wireless speakers can be paired, and true wireless Bluetooth playback can be performed on the left and right channels of the two M7 Bluetooth speakers.