1. Bluetooth 2.1 technology enables lower power consumption but more stable connection and faster transfer speed (Bluetooth version only)
2. LED display
3. 800 mAh removable rechargeable Li-ion battery
4. Play music directly from TF card, USB and 3.5mm audio devices
5. Built-in microphone to answer hands-free calls
6. Compatible with timer shutdown function, you can choose 15-30-60-90-120-240 minutes according to personal needs

parameter:
1. Charging time: 3-5 hours
2. Signal-to-noise ratio: greater than or equal to 87dB
3. Less than or equal to 1%
4. Frequency response: 120Hz-20kHz
5. Output power: 3 W x 2
6. FM frequency: 87.5- 108 MHz
7. Channel: 2.0
8. Standby time: 20 hours
9. Speaker unit: MM 40mm 16 core
10. TF card expansion: 32G max (not included)
11. Dimensions: 179 x 66 x 28 mm