Tronsmart T7 Wireless external speaker IPX7 SoundPulse 360 SoundPulse Audio 360 surround sound IPX7 waterproof Stereo pairing Vibrant LED modes Custom equalizers via the app Specification Model: T7 Bluetooth version: 5.3 Bluetooth profile: A2DP V1.3, AVRCP V1.6, HFP V1.7 Audio Codec: SBC Bluetooth range: Up to 18m / 59ft (open area) IP protection class: IPX7 Output power: 30W Input power: 5V / 2A, via Type-C port Frequency range: 20Hz - 20kHz Battery: 7.4V / 2000mAh Playing time (dependent on volume level and audio content) Up to 12 hours (LED off) Up to 4 hours (LED on) Charging time: 3 hours What's in the box 1 x Tronsmart T7 External Speaker 1 x User Manual 1 x warranty card 1 x Type-C charging cable 1 x lanyard 1 x SoundPulse card FAQ 1. Can the lights be turned off or are they a permanent feature of the T7? In the event of any disturbance, you can press the power button once to switch the lighting functions or turn them off freely. 2. How long does it take to fully charge? 3 Hours. 3. I have a Tronsmart T6. Will this pair with the T7? No. It can only be paired with the same model. 4. How far apart can the speakers be and still pair up with each other? If both speakers are free from obstruction, the Bluetooth range is 18m and the stereo pairing range is 10m. 5. Is there any downloadable app? Yes, you can download our Tronsmart app via Google Play Store or Apple App Store. 6. Does the T7 have a track skip button? Yes, you can press the "?? " or"?? "once to go to the previous / next track. 7. How long can this speaker play? Up to 12 hours with the LED off. Note that the playing time may vary depending on the volume level and audio content. 8. Can I connect via TF / SD card or just via blue tooth? Yes, you can connect via TF / SD card or Bluetooth. 9. Does it work with Siri? Yes, you can press the "?" Button twice. ‖ "To activate a voice assistant such as Siri, Google Assistant etc. 10. Does the Tronsmart T7 have SoundPulse technology? Yes, it has a SoundPulse switch to enter SoundPulse EQ mode.