IPX7 waterproof, can be used anywhere, can be submerged up to 3 ft for 30 minutes. So no worries if you want to take it outdoor to any kinds of activities. Equipped with built-in 1000mAh of lithium battery, long battery life. Bluetooth 5.2 technology, fast tranmission with its built in microphone you can answer calls remotely and clearly. Body is covered with silicone, can stay intact even if fallen from 2 meters high. TWS technology, you can connect 2 speakers to get a better result.