Details Feature - 1. Portable ring; easy to carry.2. The grille protects the speaker from water; dust; shock.3. IPX5 grade waterproof; dustproof and shockproof.4. High power and adjustable volume.5. Call function; noise-cancelling microphone allows you to answer calls without answering the phone.6. FM receiver allows you to listen to the radio freely.7. Support TF card or misro SD card up to 32G; support AUX; support USB 2.0 Disk.8. Simple button control; you can turn on/off; play/pause; switch modes; skip songs; adjust volume; etc.9. Bluetooth compatible 5.0; compatible with all Bluetooth devices.10. 500 mAh battery; can play up to 6 hours on a full charge at normal volume. Specification - Model - TG528Name - bluetooth speakerBluetooth version - 5.0Transmission range - 10MAudio sex-to-noise ratio - 85dbBattery capacity - 500mAhBuilt-in voltage - 3.7VPlaying time - 6HTF card - maximum support 32GSpeaker size - 52mm *1Speaker power - 4Ω5W*1Charging input - 5V/500ma The package includes - 1*Bluetooth speaker1*User Manual1* 3.5 audio cable1*micro data cable