Description: Functions: Bluetooth-Compatible call, music playback Application scenarios: Car, desktop, fitness, outdoor, home, mobile, portable, outdoor lawn Horn unit :1 Connection mode: Bluetooth-Compatible 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: Press key Applicable crowd: general Display: None MP3 player format: Supported format :TF card Loudspeaker adjustment mode: press key Radio function or not: Yes Color: blue-violet, green-orange, red-yellow Specifications: *100% new high quality * Palm-sized volume makes outdoor travel easier to carry * Built-in high performance speakers and bass diaphragm, clear and loud treble, clear mid-range, surging bass *HiF original sound quality, different locations can also convey high quality, beautiful music, experience a wonderful auditory feast * Wireless Bluetooth effective transmission distance of 10 meters, compatible with mobile phones, tablets, computers and other smart Bluetooth devices. Package Included: 1 * speakers 1 * Charging cable