T&G TG661 Colorful LED Portable Outdoor Wireless Bluetooth Speaker Features: 1. Using Bluetooth 5.3 wireless technology, it supports voice calls and one-click hands-free answering. 2. Support TWS dual-speaker series connection. You can use Bluetooth to connect two speakers in series. The super bass will give you an immersive effect. 3. Equipped with LED breathing light, multiple changing modes, full of atmosphere. 4. Built-in large-capacity lithium battery, long battery life, you can enjoy listening to it. 5. Small size and large capacity, easy to carry, suitable for outings. 6. Supports multiple platforms and devices, multiple connection methods, easy and portable. Parameters: 1. Bluetooth specification: V5.3 2. Audio noise ratio: greater than or equal to 85dB 3. Transmission range: 10M 4. Battery capacity: 1200mAh 5. Built-in voltage: 3.7V 6. Play time: about 2.5H 7. Speaker specifications: 52mm x 1 8. Speaker power: 4 ohm5W x 1 9. Frequency response: 120Hz-18KHz 10. Charging interface: Type-C 11. Charging input: 5V500mA 12. Product size: 112x69x98mm 13. Product weight: about 315G 14. Product functions: Support Bluetooth functionTF cardU diskFM modeTWS Packaging list: Bluetooth speaker x 1 USB cable x 1 User manual x 1