* Bluetooth Version: V5.3 

* bluetooth chip：JL

*Support profiles: HSP,HFP,AVRCP,A2DP

* BT frequency: 2.402 GHz - 2.480GHz

* Sound Mode: Real bass Stereo

*Music time: About 10 hours （7 colors LED on）

*Talk time: About 10 hours （7 colors LED on）

*Charging time: About 2 hours

*Operating Distance: About 20 meters

*Power Source: Li-ion Battery 400mAh

*With 7 colors RGB light effect (Flash your logo )

*With FM radio: 87.5-108.0MHz

*Low latency in game mode

*TF card input:  Support 256M-32G

*Aux line in: 3.5mm socket  

* Output: 22mW

*SNR: ≥95dB

*Speaker Impedance: 32 ohms/40mm

*Microphone: -42dB±3

*Foldaway design,Metal stretchable sheet

*Type-C charging port

*Colors: black, black+red, Red, Pink, Blue, Gray