Features: -Upgraded BT5.0 chip provides fast and stable connection, low power consumption and low latency, strong anti-interference ability. -Built-in 13mm moving coil speaker unit, with The 2.5 GHz ISM band is also used by Microwave ovens and other wireless standards like Zigbee. Wifi transceivers are able to detect EWA A110Mini TWS Wireless Bluetooth Speakers Sep 23, 2021 · In bluetooth mode, it supports bluetooth 5.0 version, which has the advantages of faster transmission, lower power consumption, and strong anti-interference ability. With a Home > strong anti-interference Bluetooth Speaker with built-in battery in Curacao . strong anti-interference Bluetooth Speaker with built-in battery in Curacao. Just fill in the form below, click submit, you will get the price list, and we will contact you within one working day. Please also feel free to contact us via email or phone.