Model No.: T57

 Product Feature/Spec.:

· Bluetooth Version：5.4  

· Driver Diameter：φ13mm

· Impedance：32Ω

· Support: HSP,HFP,A2DP,AVRCP

· Master and slave freely switching

· Support Siri & Google voice assistant

· Support rename, Touch sensor

· Frequency response: 20Hz~20KHz

· Earbuds battery:  30 mAh x 2 

· Charging case battery: 230 mAh

· Playtime： 4-5 hours

· Operation distance: 10M +