There are the following reasons for not finding Bluetooth:
1: Someone has already linked Bluetooth before. He has not turned off Bluetooth, the audio has been locked, and others can't search for Bluetooth.
2: The audio is running out of power and needs to be recharged.
3: If you insert a TF card, you can't search for Bluetooth.
4: Press the M function button to convert the Bluetooth and other function keys.
Solution: Shut down and restart, make sure there is no card, search for Bluetooth SL-10 again
Bluetooth 4.2 Wireless Speaker for 6 hrs Music Streaming & Hands-Free Calling /8W big powerl Driver Speakerphone, Built-in Mic, 3.5mm Audio Port, Rechargeable Battery for Indoor & Outdoor Use.
¡Ì Bluetooth Stereo speaker * 1
¡Ì User Guide * 1
¡Ì Carrying Strap * 1
¡Ì Micro USB Charging Cable * 1
¡Ì 3.5mm Audio Cable * 1
¡̡¾High Quality Crystal Clear Sound¡¿: Distinct mids and highs from our precision acoustic drivers delivers excellent stereo sound and enhanced bass from our proprietary passive bass radiator design. Built-in a big power driver of 8W portable speakerphone with crystal clear sound and strong bass without distortion even at highest volume.
¡̡¾Louder Volume and More Bass¡¿: The speaker could provide 30% louder volume and richer Bass than Other competitors. The Crystal clear deep bass 8W HD loud speakers for both active outdoor and indoor use: room filling sound, perfect for home, dorm room, kitchen, bathroom, car, parties; streaming music or internet radio services such as Pandora and Spotify.
¡̡¾Bluetooth 4.2 Technology¡¿: Connect over Bluetooth in seconds to: iPhone, iPad, iPod, Mac, Smartphones, Tablets, Windows 7,8,10---To play from Chromebooks, TVs and non-Bluetooth devices use the included 3.5mm audio cable connected to the AUX-IN jack --- BUILT-IN MIC for handsfree speakerphone from Smartphones and iPhones. Plays up to 30 feet (10 meters) from any Bluetooth-enabled device.
¡̡¾Portable Design¡¿: The portable Bluetooth Speaker is with a belt and very easily carry outdoor. High capacity rechargeable 1200 mAh lithium battery for up to 6 hours of playtime at 2/3 volume on a full charge. Suppot TF Card / U Disk to read and stored music files, you carry the multimedie library. Built-In FM Radio. So much better for travel and hiking, superlight and easy to fit in your backpack, baggage.
¡̡¾What We Offer¡¿: 1 x Portable Bluetooth Speaker,1 x Carrying Strap, 1 x USB Cable,1 x USB Cable, 1 x 3.5mm Audio Cable, 1 x User Manual,24h friendly customer service and email support.
¡Ì Deep bass HD 8 watt loud speakers with 40mm premium drivers for both active outdoor and indoor use
¡Ì Built-in 3.5mm aux port allows the speaker to connect to media devices WITH OR WITHOUT Bluetooth capability
¡Ì Bluetooth 4.0 audio wireless connectivity with seamless streaming, 4 hours of playback time
¡Ì 8W power speaker driver output with deep bass and crystal clear sound
¡Ì Fashionable and stylish design with solid performance and universal compatibility for Android, iPhone, iPad, tablets, smartphones, iPods, MP3, MP4, radio players, and other Bluetooth enabled digital players or media devices with aux port.
¡Ì Built-in 3.5mm audio port for wired or Bluetooth 4.2 wireless connectivity
¡Ì Playback time: up to 6 hours wired and 4 hours with Bluetooth wireless connection
¡Ì Speaker driver: 40mm
¡Ì Charging time: 2.5-3.5 hours
¡Ì Connection range: 33 feet
¡Ì Operating frequency: 100Hz-20KHZ
¡Ì Battery: Built-in rechargeable 3.7V 1200mAh lithium-ion battery
¡Ì Gross weight: 720g
¡Ì Dimension : 230*95*115mm
¡Ì Signal-to-Noise Ratio: ¡Ý80db
¡Ì Distortion: ¡Ü0.1%
¡Ì Large speaker cavity inside for excellent sound effect
¡Ì Passive subwoofer inside delivers outstanding bass
¡Ì Battery status can be displayed on iPhone