Chipset: Bluetrum 5376A Bluetooth: 5.1 Earphone Battery: 30 mAh Charging case: 250 mAh Music playing time: 3-4 h Standby time: 100 h Sensitivity: 93 dB ±3 dB Impedance: 32 Ω Speaker: 8 mm Frequency: 20 Hz - 20 kHz Bluetooth range: 10...
Chipset: Bluetrum 5376A Bluetooth: 5.1 Earphone Battery: 40 mAh Charging case: 250 mAh Music playing time: 3-4 h Standby time: 100 h Sensitivity: 93 dB ±3 dB Impedance: 32 Ω Speaker: 8 mm Frequency: 20 Hz - 20 kHz Bluetooth range: 10...