Feactures: * Comfort Fit for Workout Your ultimate comfortable choice for wireless music and call when training. * Sweat Proof&Waterproof IPX8 Professional waterproof technology,IPX8 waterproof level * Silicon arc ear loop Comfortable wearing,non-easy falling out. * aptX Technology Delivers CD-quality wirelessly over Bluetooth. * Dual-Microphone Dual, high-performance mics deliver superb noise cancellation, so calls come in crystal clear. * NFC for Quick Connection Quickly and easily pairing and connection through the in-built NFC. Tyle :Ear Hook Communication: Wireless Connectors:3.5mm Use :Mobile Phone Function: Bluetooth, Microphone, Waterproof Charging time:2.5h Chipset:CSR4.0 8635 Talking/Music-playing Time:up to 5 hours Bluetooth Profiles: HFP /HSP/A2DP/AVRCP Standby Time: up to 150 hours Battery capacity:95 mAh Working Distance:10m Weight:22g Color: red, blue, green, orange, black Certificate: CE RoHs FCC Waterproof level: IPX8 Function *Support stereo sound music * CVC 6.0 Noise Cancellation technolgy * IOS battery capacity display * Support call receive function * Support stereo high definition music * Support the last number redial * Voice prompt function * Multi-point function, can connect 2 mobile phones at the same time.