Feature: 1. WIDE COMPATIBILITY: Wireless outdoor speaker with compatible chip only, can be adapted to a variety of terminal devices, desktop, laptop, mobile phone can be used, also can be used as a TV stereo. (must be connected via Bluetooth to work). Specification: Item Type: Bluetooth Speaker Material: ABS, Aluminium Alloy AUX Adapter Cable Length: Approx. 50cm/19.7in USB Charging Cable Length: Approx. 50cm/19.7in Bluetooth Version: BT 5.0 External Interface: Micro USB; Memory Card; AUX Memory Card Supported Music Formats: MP3, WAV Storage Type: Memory Card 32G Maximum Output Power: 10W Charging Voltage: 5V Channel: Stereo SNR: 85db Bluetooth Protocol: A2DP AVRCP HSP Built in Battery Type: Lithium Ion Battery Battery Capacity: 2000mAh Battery Model: UN3481 Package List: 1 x Bluetooth Speaker 1 x AUX Adapter Cable 1 x USB Charging Cable 1 x Chinese and English Manual Note: Please allow for some errors in manual measurements. About this item SUPERIOR SOUND QUALITY: Bluetooth speaker with 10W speaker with large range, articulation unit, bass and surround sound reverb matching, no distortion, powerful, crisp highs and rich bass. ADVANCED CHIP: portable bluetooth speaker with wireless BT transmission, using 5.0 upgrade chip, stable and fast transmission, effective distance of 10m/32.8ft, hifi sound quality, restored music scene. MULTIFUNCTION: Portable speaker supports wireless connection for playback, memory card playback, USB, AUX IN etc. Simple to use and easy to carry, you can experience the pleasure of using it at home or at work. ENJOY YOU TIME: Wirelessly connects two Bluetooth speakers. Enjoy 20W of high volume music in 360 degree at parties, on the beach, in the park or anywhere else you can imagine. LONG BATTERY LIFE: Portable speaker with built in HD call microphone, intelligent noise cancellation, hands free call support, built in 2000mAh high capacity battery, fast charging, long lasting battery life, can be used continuously for about 8 hours. SUPERIOR SOUND QUALITY: Bluetooth speaker with 10W speaker with large range, articulation unit, bass and surround sound reverb matching, no distortion, powerful, crisp highs and rich bass. ADVANCED CHIP: portable bluetooth speaker with wireless BT transmission, using 5.0 upgrade chip, stable and fast transmission, effective distance of 10m/32.8ft, hifi sound quality, restored music scene. MULTIFUNCTION: Portable speaker supports wireless connection for playback, memory card playback, USB, AUX IN etc. Simple to use and easy to carry, you can experience the pleasure of using it at home or at work. ENJOY YOU TIME: Wirelessly connects two Bluetooth speakers. Enjoy 20W of high volume music in 360 degree at parties, on the beach, in the park or anywhere else you can imagine. LONG BATTERY LIFE: Portable speaker with built in HD call microphone, intelligent noise cancellation, hands free call support, built in 2000mAh high capacity battery, fast charging, long lasting battery life, can be used continuously for about 8 hours.