Item Type: BT SpeakerMaterial: ABSModel: LM-883Color: BlackBT Version: 5.0Wireless Distance: Approx. 10m/32.8ftSpeaker Type: 43WSpeaker Diameter: Approx. 52mm/2.0inSupport Function: FM, USB, BT, Memory CardBattery Type: Built in 500mAh 14500 Lithium BatteryWorking Time: 3-4 HoursPackage List1 x BT Speaker1 x Data Cable1[Heavy Bass] The bass is strong and powerful, and the volume is not interrupted, this BT speaker can provide 360 all round sound. 2[BT 5.0] BT 5.0 speaker, low power consumption, faster transmission, anti interference, more stable signal without delay. 3[Multi Function] If you do not use BT connection, it also supports Memory Card playback, you can also use USB, FM radio function. 4[Compatible] Rechargeable speaker, compatible with a variety of BT device connections such as tablets, laptops and mobile phones. 5[With RGB Lights] Outdoor sports wireless speaker with cool RGB lights that you can take anywhere to add a wonderful experience to your travels.