Brand – Havit, Model – Havit E529BT, Type – Neckband, Connectivity – Bluetooth, Frequency Response – 20Hz – 20kHz, Sensitivity – 96 +_3 dB  1kHz / 1mW, Impedance (ohm) – 32ohm, Microphone – Yes, Working/Bluetooth Range – 10 Meters, Bluetooth Version – Bluetooth 5.0, Sound Mode – Stereo, Waterproof – No, Dustproof – No, Shockproof – No, Driver Unit – 10mm, Battery – 250mAh, Rechargeable Battery – Yes, Charging Time – 0.8Hours, Playing Time – Up to 14 Hours (60% Volume), Color – Blue, Others – Charging Port: Type-C, Standby Time: 180 Hours, Talk time: 13H, Input voltage / current: DC 5V/1A, Profiles supported: HFP, HSP, A2DP, AVRCP, Wireless working range: 10M (without obstacles)