Our Pure Planet Signature Bluetooth Headphone

Driver size (mm): 40mm Driver Sensitivity: 105dB at 1KHz Driver Frequency response: 20Hz-20KHz Impedance (ohms): 32ohm Bluetooth Profiles: A2DP,AURCP,HFP,HSP,SPP,DID,HOGP ,PXP,FMP ,BAS Bluetooth Frequencies: 2.4GHz Bluetooth version: 5.0 Charging time (hours from empty): 3 Hours Music playtime with ANC off: 40 Hrs Music playtime with ANC on: 35 Hrs Standby time: 280 Hours Adaptive noise cancellation:Yes Ambient Aware: Yes Number of built in microphones: 6 mics Multipoint connection: Yes