Using advanced wireless audio decoding chip, support all wireless device connections; 2. Support FM radio, you can directly search the stations in the listening area 3. The sound is soft, clear and dynamic, with clear levels. 4. Read TF card and U disk directly; 5.The wireless receiving distance can be as long as 10 meters 6. No connection in wireless mode, shut down in half an hour 7.Support TWS Specifications: Wireless specifications: V 5.0 Support L2CAP \/ A2DP \/ AVRCP for access Receive stereo audio signals, can be through the protocol Control the up and down operation of the audio transmitting end; Support HSP \/ HFP (Handsfree profile), With hands-free function for voice communication Wireless transmission range: 10M Audio noise ratio: 90db Battery capacity: 500mAh Built-in voltage: 3.7V Normal volume playback: 2H Speaker specifications: 45mm * 1 Speaker power: 4 \/ 5W * 1 Frequency response: 120HZ-20KHZ Size: 86.5 * 72.3 * 31.6MM Stand-alone weight: about 172g Charging voltage: 5V \/ 500mA Charging time: 2-3H Packaging Audio * 1 Original box * 1 USB data cable * 1 English manual * 1