Portable Bluetooth Speaker,BOOMER VIVI Mini Wireless Speaker with Built-in-Mic,Hands-Free Calling,Rich Bass,TF Card Slot,Superior Stereo Sound, HD Audio, Perfect for Home,Outdoor,Indoor. (Black)

BOOMER VIVI - Wireless audio wonderful life! The Bluetooth speaker is stylish and functional, and supports multiple music playback modes,enjoy more music. With a large capacity battery, the capability of continuous battery life is 5 hours, suitable for outdoor,indoor,travel,hiking and camping. Pairing of Bluetooth speakers: 1. Switch to Bluetooth mode when switched on. 2. Open the Bluetooth search device of mobile phone (the device name and model are the same). 3. Voice prompt after successful connection. Specification: Connection mode: Bluetooth connection. Bluetooth protocol :V4.1. Effective distance :10m. Interface type :USB. Battery capacity :500mAh. Duration :5hours. Material: plastic. Frequency range: 40Hz-20KHz. Output power :3W. Signal to noise ratio:?75dB. Power supply: built-in lithium battery. Package: 1 * Bluetooth speaker 1 * USB cable 1 * user manual What we offer: 24-hour response time, 30 day refund guarantee, 12 months guarantee.If any problem or you need help, Kindly contact with us , we will solve it for you at once and accept replacement or refund.