Mini Bulldog Wireless Bluetooth Speaker Subwoofer Hot dog portable PC Speaker Item specifics Brand Name: OUTMIX Display Screen: No Built-in Microphone: No Audio Crossover: Full-Range Waterproof: No Power Source: Battery Playback Function: MP3 Material: Plastic Feature: Phone Function,None Support APP: Yes Intelligent Personal Assistant: None PMPO: 10W Cabinet Material: Plastic Support Memory Card: Yes Output Power: 10W Speaker Type: Portable Model Number: bulldog Speaker Display Screen: No Voice Control: No Communication: USB,Bluetooth Number of Loudspeaker Enclosure: 1 Support Apt-x: No Frequency Range: 100Hz-20KHz Channels: 2 (2.0) Battery: Yes Remote Control: No Features: 1. It can play MP3 WMA format audio files in TF card and U disk, and supports up to 32G. 2. With FM radio function, built-in 87.5-108MHz FM digital radio module, can automatically store 50 radio stations. 3. Bluetooth connection can play songs. 4. Built-in rechargeable battery. 5. AUX audio input interface. Product specifications: 1. Optional color: red / white / black 2. Bluetooth version: Jerry 4.2 3. Battery: 18650 800mAh 4. Output power: 5W signal to noise ratio: 50dB, frequency response range: 50-20KHZ, 5. Speaker Specifications: 52MM 4 Euro 5W Single Speaker 6. Charging socket: Micor5P 7.AUX interface: Micor5P 8. Product size: 81*123*130mm Color box size: 126*84*135