Audio Components Waterproof : This speaker is waterproof, making it perfect for outdoor use or in wet environments. Bluetooth 5.3 : With Bluetooth 5.3, this speaker provides a stable and fast connection to your device, ensuring a seamless experience. Double Speaker Card : This speaker has two speaker cards, delivering high-quality sound and a powerful bass. : This speaker is small and lightweight, making it easy to carry around and use on-the-go. Product specifications: BT:5.3 Support: L2CAP/A2DP(AVCTP/AVDTP/AVRCP)can receive signal and control the device.support HSP/HFP(Handsfreeprofile), Built-in Mic for hands-free phone callWorking distance: 10M .SNR:295db Battery:3.7V 1200mAh Normal volume playing time: 2HSpeaker driver:D 45 mm * 2 .Power:4Q/5W*2 Frequency response: 120 Hz-18KHz.Unit size: L70*W70*H162mmUnit weight:320gCharging:5V/500mA Product Feature: 1Built-in Low-freg radiatorsSuper dynamiclow-frequencysound pressure gain, listeningtransparent and flexible. 2.Internationaladvanced BT chipand circuit design techniques,support all BT device ;play musicafter pairing with BT device .forexample mobile/ MID/TV,theworking distance is more than 10M 3.with Mic for hands-free phonecall function. 4.Built-in MP3 decodingcandirectly play TF card, U disk, mobileand other USB storage devicesstored MP3 format music files 5.Build-in the FM radio moduleconvenient to auto scan and saveradio channels 6.Support AUXIN input 7.support TWS 1.AUX :it can play via3.5mm AT cable to camera 2.USB slot:it can decode andplay MP3 format whenput USB card into the slot 3.TF slot:it can decode andplay MP3 format whenput TF card into the slot 4.DC 5V charging slot:use thestandardminiUSB microcharging cable for powercharging. 5.When play music, press shortfor next song,press long toturn up the volume. 6.When play music(USB card/TF card/LINEIN/BT),press shortfor"play/pause".under BTmode with mobile pairedpress short to answer a callpress again to hand up.(in FM mode,press short tosearch station automatically press again to stop searching).Keep the TWS speaker under BTmode without pairing ,press the"play/pause key for 4 secondseither of the speaker until heara hint and meantime the buttonlight stop flashing,now is in TWSmode,then can paire the mobile. 7.Power switch:long press foron/off.when play music(USB card/ TF card/FM/ BT),press short to switch USB/TFFM/BT.(switch toline inifvia AUX cable to device). 8.When play music,press shortfor last song, press long to turndown the volume. Note: Under FM mode, put inthe AUX cable to get better FMradio station