WINJOIN WJ-B88 Portable Rechargeable Bluetooth Speaker FM Radio RGB Light Wireless Music Subwoofer - Red ?Fine workmanship,fashionable appearance,strong and durable ?Built-in 1200mAh battery,long standby and use time ?Shocking surround sound and super heavy bass sound effect ?Support Bluetooth/TF card/U disk/AUX connection,support FM radio ?Designed with RGB colorful light effects ?Designed with a handle for easy carrying ?Specification: ?Motherboard: JL V5.3 motherboard with battery protection ?Speaker size: 66mm ?Bluetooth: V5.3 version ?Speaker power: 4|? 8W ?Battery capacity: 18650 lithium battery 1200mAh ?Transmission distance: 10 meters ?Product size: 140 x 77 x 175mm ?Lighting mode: 6 lighting modes Package included: ?1 x Bluetooth Speaker ?1 x USB Charging Cable ?1 x English and Chinese User Manual