Description HiFi Sound QualityThe portable bluetooth speaker has shocking rich bass, large volume without voice break, 360 all around sound effect.Equipped with 10W high-quality speaker. Smooth and supple appearance gives you a great visual experience.High-frequency is transparent and bright sound, medium-frequency is clear and clean and low-frequency reaches pretty low but powerfull with a full sound. It offers a rich sound and an enhanced bass that goes far beyond its size.Bluetooth 5.0 waterproof speakerBluetooth 5.0 transmitted by A2DP technology, has lower power consumption than Bluetooth 4.2 but with faster transmission,stronger anti-interference ability and more stable signal without any delay.This wireless speaker is compatible with multiple devices such as tablets, laptops, desktop computers, televisions and mobile phones.TWS interconnectionWhen you have two SANAG m7 Bluetooth speakers at the same time,you can pair the two speakers and combine them to form a more powerful wireless stereo system for the same experience as a movie theater, so you can have a home theater immediately. Have a great weekend at home with family and friends.TWS interconnection operation*Press the power-on button to turn on the two speakers.*then short press either of their button twice.Two speakers will go into pairing mode.*After they are paired successfully, the main speaker will have paired beep.If you have paired two speakers before, they will connect automatic ally next time.Short presses the power button of any connected with TWS speaker twice to use as a single speaker.A good companion in your travelsThis is a truly personalized portable Bluetooth speaker that offers a richer sound and an excellent bass that goes far beyond its size, and the sound is full and round.Miniportable speakersSize: 2.99 * 2.99 *3.54inWeight: 9.87ozFrequency range: 100Hz-18KHzBattery capacity: 1800mAhLong battery lifeSmall in size but large in capacity. Equipped with built-in1800mAh rechargeable lithium battery.Let your enjoy music without being uninterrupted from day to night.Meet your needs throughout the day.Give you a 12-hour uninterrupted tour of music. It will last up to 15 hours at medium volume,and the high volume will consume more power.