Bluetooth TWS headphones, strong wireless box, external portable speaker, water-resistant, three-dimensional stereo sound, hands-free call

Waterproof: This speaker is water-resistant, making it ideal for outdoor activities and events. Wireless amplifier: The wireless amplifier feature allows you to enjoy powerful bass sound without the need for wires or cables. Hands-free connection: Using the built-in microphone, you can make and receive calls without using your hands, making it suitable for use on the go. 3D stereo sound: The 3D stereo sound feature provides a more immersive and enveloping audio experience. Product specifications: ● Wireless: V5.3 support: L2CAP/A2DP(AVCTP/AVDTP/AVRCP), to receive stereo sound signal, can control the audio transmitter device and play up and down through the protocol; supports HSP I HFP (hands-free profile), with hands-free function, can communicate with people. ● Working distance: 10 m ● SNR: 290 decibels ● Battery: 1200 mAh ● Built-in voltage: 3.7 volts ● Normal volume operation time: 3-8 hours ● Speaker driver: φ52 mm*2 ● Power: 5 watts *2 ● Frequency response: 150 Hz-20 kHz ● Unit size: 80*80*180 millimeters ● Unit weight: 557 grams ● Charging: 5 volts/500 milliamps 1. Advanced international wireless chip and circuit design technologies, support wireless devices. 2. With FM function, can search for broadcast station automatically. 3. With Hi-Fi speaker, to ensure clear and bright sound. 4. Support small SD card and USB card, play MP3 audio format. 5. Wireless working distance: 10 meters. 6. With AUX line, can connect external devices directly, for example, tablet/computer/phones. 7. Will automatically turn off if wireless connection is lost for 30 minutes. 8. Support TWS. Usage instructions: 1. DC 5 volts, (standard Micro USB V8 charging cable for power charging) 2. TF port: can decode audio and play MP3 format when a TF card is inserted into the port. 3. USB port: can decode audio and play MP3 format when a USB card is inserted into the port. 4. Line port: use the Mini 3.5 headphone jack through external devices. 5. When playing music, press Short to get the last song, press and hold to lower volume. 6. When playing music, press the Short button for the next song, press and hold to increase volume. 7. When playing music, (USB card/TF card/wireless/internal FM). Press briefly on the switch model. Keep the TWS speaker in wireless mode without pairing with the mobile phone, press the "M" key for 3 seconds on each speaker until a "du du du" prompt sound for TWS mode, then the mobile phone can pair. 8. Press and hold to turn on/off. When playing music, (USB card/TF card/wireless), press briefly on "Play/Pause". In FM mode, press the Short button to search for stations automatically, then press again to stop searching. In wireless mode with mobile phone paired, when a call comes in, press the Short button to answer hands-free, press again to hang up, double press to make a call. Note: In FM mode, connect a small charging cable for better FM radio station reception. USB DISK/TF CARD format must be FAT32.