Product Indication
1. Multifunction button
2. [-] button
3. [+] button
4. FM/MP3/Bluetooth mode switch button
5. Call button
6. MicroSD card slot
7. USB-C charging port
8. Bluetooth connection status indicator
9. 3.5mm AUX jack
10. Microphone
Bluetooth version
Working distance
Frequency range
Audio drivers
Charging voltage
Charging time
Talking/music time
Impedance
Weight
Volume sensitivity
Bluetooth specification power class 1
Frequency band
Operating frequency
Rated power consumption
Maximum output power
Operating temperature
V5.3
10m
20Hz~20kHz
ø40mm
DC 5V
~1.5 hours
About 20 hours (at 50% volume)
32Ω
175g
85/94dB
2.402~2.480GHz
2402~2480MHz
120mW
<7dBm
0°C to 45°C
3