1. Bluetooth 4.2 stable transmission signal chipset, powerful audio decoding, 10 meters operating distance, excellent compatibility, suitable for all electronic devices, including Bluetooth smart phones, laptops, tablets and so on.
2. HD dual-speaker drive unit, 2.0 channels surround 360-degree powerful bass and HiFi stereo sound.
3. Music playback supports AUX line output mode, using a standard 3.5mm audio cable to connect speakers to play on a mobile phone or tablet, even if there is no Bluetooth-enabled device, it can be used as wired speaker music.
4. Built-in Micro-SD card slot, support TF card playback mode, insert TF card with downloaded songs to play music, support format MP3 / WMA songs.
5. The speaker has a built-in 4000 mAh ultra-capacity lithium battery, long standby time, and talk time/play time up to 20 hours.
6. A diffuser with a USB charging port. The 4000 mAh battery can be used as a mobile power source for mobile phone charging to prevent the phone from running out of power.
7. Noise reduction function supports HD Talk, built-in sensitive HD microphone, even if you are listening to incoming calls when playing music or driving.
Bluetooth Version: bluetooth 4.2
Operate Distance: about 10 meters
Impedance: 4 ohm x 2
Distortion: ? 1%
SNR: \u2265 85dB
Frequency: 80Hz ~ 20KHz
Battery Capacity: 4000mAh
Playback Time: about 20 hours
Built In Microphone: Yes
Support TF Card Playback: Yes
Support AUX Line-in Playback: Yes
USB Output Port: Yes
Speaker Size: 179 x 80 x 80mm
Net Weight: about 532g
WHAT'S IN THE BOX
1 * S16 Bluetooth Speaker
1 * Micro USB Charging Cable
1 * 3.5mm Audio Cable
1 * User Manual