Features:
1. [52mm speaker device] Explosive ground-to-ground sound waves provide powerful bass output, allowing you to sound as if you were at a concert
2. [High fidelity sound quality] The use of high fidelity sound quality technology can provide clear and pure sound quality performance, so that users can enjoy a high quality music experience
3. [Versatility] Support Bluetooth TWS/USB/TF/FM/AUX/ call hands-free function to meet the diversified needs of users
4. [BT 5.1] Support BT connection function, users can wirelessly connect mobile phones, tablets or other Bluetooth devices through Bluetooth, easily play favorite music
5. [Long service life] has a long service life, can continue to play music for up to 6 hours, so that users can enjoy music for a long time

Parameter:
Playback function: Support Bluetooth TWS/USB/TF/FM/AUX/ call hands-free function
Bluetooth: 5.1+EDR
Sensitivity: 550mV
Distortion THD+N: less than 0.5%@1 KHZ
Signal to noise ratio: > 72dB
Output power: 3W*2
Horn specification: 3Ω/5W*2, length 52mm
Working distance: 10 meters
Output voltage: DC5V (1A)
Battery: 3.7V/1200 mah
Charging time: 1-2 hours
Playback time: 3.5-4 hours (maximum volume),4-6 hours (75% volume)

Package include:
1* speaker +1* charging cable