• Advanced Bluetooth-compatible chip and circuit design techniques, compatible with all wireless devices
• FM function, you can search automatically broadcast radio stations
• With HI-FI speaker, to ensure clear and bright sound
• Support TF card and USB card, play audio with MP3 mode
• The distance range is about 10 meters
• With a built-in AUX line, you can directly connect external devices, such as a tablet PC/TV/cell phone
• It will turn off automatically if you disconnect Bluetooth-compatible for 5 minutes
• Support dual speaker output, allowing you to connect two speakers simultaneously and enjoy a more immersive music experience

Specifications:

• Model: BT528
• Bluetooth-compatible Version: 5.1
• Support L2CAP /A2DP IAVRC Perceive AUDIO signal and control the AUDIO device
• Supports HSP /HFP (hands-free), built-in microphone for hands-free calls
• Connection Distance: 10M approx
• SNR: 90dB
• Battery: 2400mAh 3.7V 8.88Wh
• Play Time (100% volume): 4H
• Charging Time: 4-5H
• Speaker Size: 45mm*2
• Power: 4Ω/5W*2
• Frequency: 120HZ-20KHZ
• Input: 5V-1A
• Size: 73 x 156mm
• Weight: 480g