Bluetooth: Version 5.1 Chipset:JL Transmission range :≥10M Play music time: 10 Hours(70%) Battery capacity: 300 mAH Charging time: 2H Input prot: Type-C interface Bluetooth headphone & TF card mode & AUX mode & Google assistant
Bluetooth: Version 5.3 Transmission range :10-15M Play music time: 29 Hours(50%) Talk time: 15 hours Battery capacity: 400 mAH Charging time: 1.5-2H Input :DC 4.75-5.25V
Bluetooth version: 5.0 Loudspeaker diameter :40mm Impedance:32R*2,0.02W*2 working voltage:3.3v-4.2v Frequency response range:20-18KHz Communication distance:10M Continuous working time: 4 H Charging time:2.5-3 H Battery: 200mah
Length: 120±10mm Function: listen to music, call Applicable: Mobile phone with Type-C port (charging port and earphone port are Shared) Material: ABS + TPE