Bluetooth Speaker Wireless Portable Speaker with Loud Stereo Sound R-ich Bass Built-in Mic FM Radio Speaker Specification: Product Name: Bluetooth Speaker Product color: Gray Material: ABS Battery Capacity:1200mAh Charging Time:4 hours Net weight: 4.22lbs(0.46kg) Gross weight: 5.10lbs(0.56kg) Product Dimensions: 7.68x4.13x 2.83inches (19.5x10.5x7.2cm) Packing size: 8.27x4.92x3.35inches (21x12.5x8.5cm) Features: Advanced Bluetooth 5.1: The latest version of Bluetooth has added the direction finding function and centimeter-level positioning service, the addition of this function makes indoor positioning will become more accurate, and in the location of small objects can also be accurately located to avoid the loss of items.compared to Bluetooth 4.2, its transmission rate reached 24Mbps is twice that of Bluetooth 4.2LE, the effective distance of transmission is 4 times that of the previous version, at the same time, Bluetooth 5.0 will greatly reduce the power consumption of Bluetooth, so that people in the use of Bluetooth no longer have to worry about the short standby time. Built-in Mic: The Bluetooth speaker built-in microphone design and not only provides hands-free and skip function with higher stereo sound quality. Can be used as a charging device: there are two modes of charging, one is induction charging,double coil design, induction without blind spot, increase the range of wireless charging .it can be placed horizontally or vertically, so you can also watch the drama or work while charging horizontally,or video chat and watch live vertically. Another is USB wiring charging.In this way, it is also possible to charge two cell phones at the same time. Long Lasting : Built-in 1200 mAh rechargeable battery provides up to 10 hours of playback time. Small, but so powerful Bluetooth speaker. Support USB, TF card (up to 32GB), auxiliary playback. Support clock mode, FM radio mode. Superior Sound Quality: The Bluetooth speaker with dual high-performance drivers and unique enhanced bass. The treble is clean and defined, the bass is powerful. You can enjoy the wonderful music, whether indoors or outdoors. Portable and Versatile: Enjoy high definition stereo sound with impressive volume whether you're lounging, partying, camping, hiking or biking.Just 1 lb Lightweight, very durability and compact size. Classic one-piece black design, smooth and supple appearance gives you a great visual experience. It's a great gift for teenagers, kids, family, and friends. Soothing mode: built-in white noise, 12 kinds of soothing music and white noise for you to relieve Notes: Audio Nominal voltage:3w Audio Peak Voltage:5W Bluetooth Distance: about 10 meters Wireless Charging Power: 10w Mode: Bluetooth mode /FM radio mode/ T-card mode/ Bass Boost/ Clock mode Speaker Size:40mm External Magnetic +40mm OMF Speaker Impedance:4 Specification Parameters for Speaker:4/5W 1pc Amplifier Drade:CLASS D Power Rating:3W THD+N 5% 1KHz,0dB) Frequency Response:50Hz-18KHz Distortion:0.3%1KHz,1W) SNR: 75dB Channel: Single Channel Digital Noises Floor:0.5mV Package Include: 1x Bluetooth Speaker 1x USB Power Line 1x Audio line 1x Specification