Ultra Loud High Bass Portable Wireless Outdoor Bluetooth Speaker - Black Fishing Multi-functional Tournament Timekeeper: Whether you

Multi-functional Tournament Timekeeper: Whether you require precise timing for competitive events or various functions for your chess matches

[Long Service Life] Advanced encapsulation material with multi-layer laminated sheets improves battery performance and extends service life

Note: Please rest assured to purchase

Input: USB 5V 2A

Ultra Loud High Bass Portable Wireless Outdoor Bluetooth Speaker - Black Fishing Multi-functional Tournament Timekeeper: Whether youUltra Loud High Bass Portable Wireless Outdoor Bluetooth Speaker Black Features: Outdoor Bluetooth Speaker, built in bluetooth 5. 0 wireless transmission, working distance up to 10 meters. Support Hand free when answer calling (with MIC). Support playing MP3 songs stored in U disk (not included). Support playing MP3 songs stored in Micro SD card (not included). Support external 3. 5mm audio input terminals of all. Support Blue Flash LED.Superior Sound