Transmit Range: <=15M Support Software Agreement: A2DP1.2, HFP1.6, AVRCP1.4, HSP Battery: Rechargeable polymer lithium-on battery Charge Time: <2.5H Operate Hours: about 4hours(battery saturation) Standby TIme: about 100H(battery saturation) Features: NFC + multipoint connection + voice prompt Features Wireless Sports Earbuds Magnetic Suction Function Depthnoise Reduction Function Compatible With Android and iPhone Built in Microphone Smart Compatibility Brand No Brand SKU 100216413_NP-1020474422 connector_1 NA Bluetooth Yes Headphone Features NFC,Built in Microphone