AUKEY TWS Bluetooth Active Noise Cancelling Move Vibe Series True Wireless Earbuds EP-M4

Specification: Model Code: EP-M4 Technology: A2DP / AVCTP / AVDTP / AVRCP / HFP Noise Reduction : Environment Noise Cancellation (ENC) Bluetooth Version: 5.3 Driver (Each channel): 13mm speaker driver Speaker Sensitivity: 99dB ± 3dB Speaker Frequency Range: 20Hz-20KHz Microphone type: 2 x MEMS (pair) Microphone Sensitivity. - 38dB Microphone Frequency Range : 100Hz-10KHz Charging time: 2h Battery Life: 3.5h (call) / 6h (music) Battery Type: Li-polymer (2 x 35mAh) Transmission Range : => 10m Operating Range: <10m Weight: 7g (pair) SPESIFICATION CHARGING CASE Charging Input: DC SV Charging Time: 2 hours Battery Type: Li-polymer (350mAh) Number of Earbuds Recharges: 3 Weight: 35g ( erbuds excluded ), 42g Total ( earbuds included )