T&G TG678 15W Portable Subwoofer Wireless Bluetooth Speaker 1. Bluetooth specification: V5.3 2. Battery capacity: 3.7V1500mAh 3. Playing time: 3h 4. Speaker power: 415w 5. Charging input: 5V1000mA 6. Function: BluetoothFMUSBTFTWSType-C interfaceLINE INhandheld functioncallcolorful LED light 7. Adopt advanced Bluetooth audio decoding chip, support all Bluetooth device connection 8. The sound is soft, clear and dynamic, with distinct layers 9. Can directly connect to mobile phonetabletand TV Bluetooth pairing to play music, Bluetooth receiving distance up to 10 meters 10. Support AUX audio input, provide you with computer speaker function 11. FM automatic search and storage of radio stations, built-in FM radio module, can automatically search and store radio stations, saving time and effort 12. Support hands-free call function, built-in high-sensitivity microphone, so that mobile phone calls have an incomparable enjoyment of calls