Product details：

*TWS Earphone with Touch Screen *Bluetooth name: LX-10 *Bluetooth version: 5.4 *Protocol Support: A2DP/AVRCP/HFP/HID/AVCTP /AVDTP,and SPP *RF Frequency:2.402GHz-2.480GHz *Bluetooth range: 15meter *Driver:Φ13mm,  32±15% ohm *Frequency response: 20～20000Hz *Earphone Battery: 40mah *Earphone box battery: 320mah *Music time: 4-8hours *Talk time: 3.5hours *Charging time: 1.5 hours *Package:paper box,instruction,charging case,earphone,silicone earmuffs,charging cable