Remax RB‎-M8 Mini Portable Bluetooth 4.0 Speaker Aluminum Wireless Hand Free MIC Boombox Sub‎-woofer USB AUX Ports Loudspeaker‎,‎ you’ll get endless convenience and pleasure‎.‎ This Bluetooth speaker acts as a power bank additionally‎.‎ Featuring wide Bluetooth connection range‎,‎ this speaker is reliable and convenient‎.‎ Made of superb materials with exquisite workmanship‎,‎ it is excellent in quality and elegant in appearance‎.‎ In a word‎,‎ it is your regret less decision‎!‎ 500mAh battery ensures ultra‎-long playing time up to 10 hours High fidelity music and clear conversation quality Low power consumption‎,‎ energy‎-saving and practical Elegant and stylish appearance‎,‎ compact and portable‎.‎ Hands‎-free call function with built‎-in MIC for clear voice Support Bluetooth play‎,‎ AUX play Seamless aluminum design‎,‎ a perfect decoration for house‎.‎Technical SpecificationsMaterial‎:‎Anodized aluminum enclosure+ABSAudio Classification‎:‎ MiniPlayback Function‎:‎ MP3Speaker Structure‎:‎ Floor‎-StandingChannels‎:‎ 8 ‎(‎7.1‎)‎Loudspeaker Accommodation Mode‎:‎ TouchSpeaker Type‎:‎ Sub wooferMic‎:‎ Built‎- in MICBluetooth Version‎:‎ 4.0Rated Power ‎:‎ 5WAUX‎:‎ Port SupportBattery Capacity‎:‎ 500mAhBattery Type‎:‎ Li‎-IonUSB Output‎:‎ DC 5V‎-500mAUSB charging‎:‎DC 5V‎-‎-500mAFrequency response‎:‎90Hz‎-20KHzSensitivity‎:‎80db 2dbSNR‎:‎ 80dbWorking time‎:‎ about 6‎-7hoursTransmission Distance‎:‎ ≤10mUse Portable‎:‎ Audio Player‎,‎ Mobile Phone‎,‎ Computer