Brand – Remax, Model – Remax RB-S27, Type – Neckband, Connectivity – Bluetooth, Frequency Response – 20 – 20KHz, Impedance (ohm) – 16 ohm, Microphone – Yes, Working/Bluetooth Range – 10 Meter, Bluetooth Version – Bluetooth 5.0, Waterproof – Yes, Waterproof Grade – IPX7, Battery – 90mAh, 3.7V, Rechargeable Battery – Yes, Charging Time – 1.5 Hours, Operating Range – 10 Meter, Body Materials – Plastic + Silicone, Weight (gm) – 10.5gm, Color – Black, Feature – Wireless V5.0 technology with low power consumption and high compatibility. IPX7 waterproof, fearless of sweat and rain. A weight of 10g, compact portability for a comfortable fit. With strong magnetic suction, tangle-free easier storage. Three-button wired control with a sensitive response, easy to use, Others – Wired Control: Not Support, Support Agreement: HSP, HFP, A2DP, AVRCP, Rated Power: 3mW, Dimensions: 160 x 50 x 25cm, Talking Time: Up to 10 Hours, Working Time: Up to 15 Hours, Standby Time: Up to 140 Hours, Warranty – No, Country of Origin – Hong Kong, Made in/ Assemble – China