Waterproof Music Audio Speaker FM Radio Bluetooth-compatible 4.2 Wirele Ba Speaker for Mobile Phone Computer Support TF Card Feature: 1. Wirele Bluetooth-compatible small speaker: Supports mobile phone Bluetooth-compatible wirele connection / memory card U disk to play music. It can be used to connect audio cables to desktop computers and laptops. It can be used for car, indoor and outdoor square dance, with good sound quality and convenient carrying. Support Bluetooth-compatible devices such as mobile phones, tablets, televisions to play music in pairs, and the Bluetooth-compatible transmiion distance is more than 10 meters 2. Design: Built in low frequency amplifier design, medium and low frequency are more powerful, with better sound quality performance 3. Support handsfree call function: Built-in high sensitivity microphone, with incomparably smooth call enjoyment. Support U disk and TF card music playback, MP3 decoding, and MP3 format playback 4. FM automatic search and storage of radio stations: Built-in FM radio module can automatically search and store radio stations, saving time and effort, supporting AUX audio input, and providing you with computer speaker function 5. Music box call function: 45mm/1.77in dual external paive radiator is used to show the internal surging power of the loudspeaker. Listen, feel and witne the ba without fear of rain, make music calls and adjust with one button Specification: Product Name: Wirele Bluetooth Speaker Color: blue, black, red, floral red, floral blue, gray, camouflage Wirele transmiion range: 10M Audio performance to noise ratio: 90db Battery capacity: 1200mAh Built-in voltage: 3.7V Normal volume playback: 3H~4H Horn specification: 45MM * 2 Horn power: 4 /5W * 2 Frequency response: 120HZ-20KHZ Product size: 68.8x68.8x160mm Single unit weight: 405g (bare metal)+105g (color box acceories) Charging voltage: 5V/500MA Bluetooth Specification: Bluetooth 4.2 Support Bluetooth protocol: Support L2CAP/A2DP (AVCTP/AVDTP/AVRCP), which is used to receive stereo audio signals. Through the protocol, you can control the up-down operation of the audio transmitter; Supports HSP/HFP (Handsfree profile) with hands-free functionality and voice communication Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 X Speaker 1 X Charging Wire 1 X Audio Cable 1 X Instruction 1 X Packaging .