Without the trouble of tangled wires, it's convenient for you to share your favorite sound with your dearest friends or relatives by TWS Bluetooth Earbuds. True Wireless Design Wireless connection via Bluetooth, wireless charging, as well as no wires between the two earpieces. Bluetooth V4.2 Enables you to connect the wireless headset stably with your devices within 10m. Built-in Mic Allows for clear hands-free communication. Ergonomic Design Designed to fit securely and comfortably in your ear, giving you the unlimited freedom of movement you deserve. Automatic Pairing Once successfully paired for the first time, subsequent pairings are simple. Charging Case Can charge the earbuds at any time, convenient for storing earbuds. Wide Compatibility Compatible with your virtually all Bluetooth-enabled devices, such as smartphones, tablets, etc. Specifications BluetoothV4.2 Supported ProtocolA2DD/AVRCP/HFP/HSP Frequency Range240MHz~248MHz Operation Distance>10M Talking Time Approx. 4 hours Product Weight 5g Product Size 26 x 22 x 27 mm(earbuds), 52 x 52 x 38 mm(charging box) Package Contents 1 x Pair of Earbuds, 3 x Pair of Ear Plugs, 1 x Charging Cable, 1 x User Manual