Description: Due to the ergonomic design of the Bluetooth-compatible headset, wearing comfort is a pleasure. And it has a long standby time without frequent charging. What supports low-latency and stable transmission as well as mega bass and stereo surround sound effect the Bluetooth-compatible 4.1 version and intelligent noise reduction of this earphone. Constructed of ABS material, it is durable to use. The total length of the earphone is 36cm. It supports one-to-two to connect two Bluetooth-compatible devices, and supports for IOS system. Item Name: Wireless Headset Material: ABS Charging Voltage: 5V Cell: 160MAH Polymer Transmission Range: 10 Meters Bluetooth-compatible Version: 4.1 Charging Time: More Than 2 Hours Continuous Talk Time: Less Than 20 Hours Continuous Standby Time: Less Than 720 Hours Continuous Music Playing Time: Less Than 15 Hours Supported Protocols: A2DP/HFP/HSP/AVRCP Features: Stereo, Noise Cancelling, Automatic Pairing Size Details: Total Length: 36cm/14.17" (Approx.) Cable Size: 5.5cm x 1.1cm/2.17" x 0.43" (Approx.) Earphone Head: 3.6cm x 1.6cm x 9cm/1.42" x 0.63" x 3.54" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x User Manual 1 x Charging Cable 3 Pairs of Ear Caps 1 x Wireless Headset Due to the ergonomic design of the Bluetooth-compatible headset, wearing comfort is a pleasure. And it has a long standby time without frequent charging. What supports low-latency and stable transmission as well as mega bass and stereo surround sound effect the Bluetooth-compatible 4.1 version and intelligent noise reduction of this earphone. Constructed of ABS material, it is durable to use. The total length of the earphone is 36cm. It supports one-to-two to connect two Bluetooth-compatible devices, and supports for IOS system.