Bluetooth Wireless in Ear Earphones with Upto 12 Hours Playback, Integrated Controls and Lightweight Design with Mic Name: Bluetooth Wireless in Ear Earphones with Upto 12 Hours Playback, Integrated Controls and Lightweight Design with Mic Battery Charge Time: 1 Hour Bluetooth Range: 20m Bluetooth Version: 5.0 Brand: OLYWIN Charging Type: Micro USB Color: Black Compatibility: All Smartphones Frequency: 10 Hz Material: Metal Mic: Yes Model Name: Nackbant Bt-Max Net Quantity (N): 2 Noise Cancelling: Yes Play Time: 12 Hours Type: In The Ear Warranty Period: 1 Year Seller Warranty Warranty Type: Carry In OLYWIN,Upto 48 hours playtime : Battery backup that powers you through your day. Enjoy your entertainment on loop, uninterrupted. Inline controls: Easy controls that let you control your music or switch between your entertainment and calls with just a tapSeamless Connectivity with BT5.0 Fast Pairing: Designed with latest Bluetooth 5.3technology, the neckband pairs super-fast with your devices and transmits higher quality audio. Country of Origin: China