Specification:Speaker Rated Power: 20Wbluetooth version: V5.0Charging time: 2-3 hoursCharging Voltage: 5V 500MABattery capacity:1500mAhPlay time: about 8 hoursEffective distance: within 10 metersFrequency response: 90HZ-20KHZHorn parameters: 50MM 4Ohm 5WSingle machine size: 155*92MMInput: bluetooth / USB / Micro TF input / 3.5mm line inputBuilt-in microphone: Yes Package included:1* Portable Wireless Speaker1* Micro USB Cable1* 3.5mm Audio Cable1* User ManualFeature: 【bluetooth Speaker 5.0】Adopt latest iteration of bluetooth, two times speed and four times valid range of the bluetooth 4. It can easily meets the requirements for IoT devices while bluetooth 4 does not due to its low speed and short working range. With more fast connectivity and lower energy consumption, you’ll have a much better wireless audio experience!【True Wireless Stereo】Thanks to TWS function, pair any two same model wireless portable speakers, you can achieve true wireless bluetooth playing for left and right channels separated of two  speakers. Just control the TWS master device, then audio can be played in sync on both devices with double enhanced stereo sound.【20W Powerful Sound】You can’t believe this little speaker has such loud sound, feel as if you’re at a live concert, with clear high notes, deep bass and 360° true HD sound. Perfect for home, parties, outdoors, Christmas gift, Thanksgiving day, Halloween.【Portable & IPX5 Waterproof】Small size with attached strap, light and easy to fit in your bag or backpack, three ways of carrying design maximizes portability. Splashproof and rainproof, IPX5 can resist gentle water spray and splash but cannot be partially or fully submerged. Anti-skid mat on bottom of the speaker to add stability.【Broad CompatibilIty & Hands Free】Equipped with advanced technology and compatible with all bluetooth compacity devices. Wireless Speaker would automatically reconnect to the last device used. BUILT-IN Microphone for handsfree personal speakerphone calls from a Smartphone or iPhone. Besides bluetooth connection, you can also enjoy music with a supplied Aux in cable, TF card or USB. If you like it, Get your own Portable Wireless Speaker today! 
Tips: bluetooth is backwards compatible, however, so you can continue using your existing bluetooth 4.2 and older devices with a bluetooth 5.0 phone. And, when you buy new bluetooth 5.0-enabled peripherals, they’ll work better thanks to your bluetooth 5.0 phone.