T&G TG685 Mini Portable Outdoor Wireless Bluetooth Speaker with LED Atmosphere Light Features: 1. Adopts Bluetooth 5.3 audio decoding chip, supports connection of all Bluetooth devices 2. The tone is soft, clear and dynamic, with distinct layers 3. Can directly connect to mobile phonetabletand TV Bluetooth pairing to play music, Bluetooth receiving distance is up to 10 meters 4. Supports USB and TF card music playback and supports full-rate playback of MP3WAV format 5. FM automatic search and storage of radio stations, built-in FM radio module, can automatically search and store radio stations, saving time and effort 6. Supports hands-free calling function, built-in high-sensitivity microphone, so that mobile phone calls have an extremely smooth call enjoyment 7. Supports TWS function for box calls Parameters: 1. Wireless specification: V5.3 2. Wireless transmission range: 10M 3. Audio signal-to-noise ratio: 85db 4. Battery capacity: 1200mAh 5. Built-in voltage: 3.7V 6. Normal volume playback: about 3H 7. Speaker specification: 52mmx1 8. Speaker power: 4 Ohm5Wx1 9. Frequency response: 120Hz-18KHz 10. Dimensions: 136x51x67mm 11. Weight: about 293g 12. Charging voltage: 5V0.5A