1. Product Features: *100% new high quality * Palm-sized volume makes outdoor travel easier to carry * Built-in high performance speakers and ba diaphragm, clear and loud treble, clear mid-range, surging ba *HiF original sound quality, different locations can also convey high quality, beautiful music, experience a wonderful auditory feast * Wirele Bluetooth effective transmiion distance of 10 meters, compatible with mobile phones, tablets, computers and other smart Bluetooth devices. 2. Product specifications: Functions: Bluetooth call, music playback Application scenarios: Car, desktop, fitne, outdoor, home, mobile, portable, outdoor lawn Horn unit :1 Connection mode: Bluetooth connection USB Port Type: Frequency response range: 200HZ-20khz Output power :3 W Signal to noise ratio: 75 db or higher Power supply: built-in lithium battery Channel: 2 Running time :1.5 hours Extended storage :32 GB Bluetooth protocol :4.0 Number of speakers :1 Effective distance :10 m Operation mode: Pre key Applicable crowd: general Display: None MP3 player format: Supported format :TF card Loudspeaker adjustment mode: pre key Radio function or not: Yes Color: blue-violet, green-orange, red-yellow 3. Packing list: 1 * speakers 1 * Data cable Note: 1. Due to factors such as the brightne of the display and the brightne of the light, the real color of the item may be slightly different from the picture displayed on the website. 2. Please allow the data to have slight manual measurement bias.