AUKEY M1S Wireless Earphones - Black

Details Model: EP-M1S Earphones: Technology: HFP, HSP, A2DP, AVRCP, SBC, AAC Bluetooth version: 5.2 Driver (per channel): 1 x 10mm driver Sensitivity: 105dB ± 3dB @ 1kHz Frequency range: 20Hz - 20kHz Impedance: 32Ω ± 15% Microphone type: MEMS Charging time: 1.5 hours Battery life: 7 hours Battery type: Lithium polymer (2 x 40mAh) Operating range: 10 meters Weight: 8g (pair) Charging case Charging input: DC 5V Charging time: 2.5 hours Battery type: Lithium polymer (500mAh) Number of times the earphones can be charged: 3 Weight: 32 grams