Details: *Features*:*LED Night Light*:The neckband will be illuminated at night and offer three modes(fast flash; slow flash and constant light modes) to choose via the light On/Off button; which ensure safety when sport at night.Crystal Clear Sound Effect:Adopts advanced CSR4.1+EDR technology to ensure transmitting strong signal and offer high-quality sound effect. Besides; echo cancellation technology ensures high definition sound reproduction.Ergonomic and Skin-Friendly Design:The two ear hooks adopts skin-friendly soft silicone materials and has ergonomic shape with frosted surface coated to ensure secure and comfortable wearing experience. Also the sweatproof materials keeps the earphone more durable.Ideal for Running:Its lightweight and sweat-proof design make it ideal for running; biking; hiking; yoga; exercises; travelling; etc.Ultra-Long Music Playtime:Embedded 120mAH lithium-ion battery can last up to 6-hour music playtime and 8-hour talk time in 3-hour full charge. Also; it will display battery level on iOS devices.*Specifications*:Wireless Version: CSRV4.1Transmitting Power: Class 2Protocols Supported: HSP; HFP; A2DP; AVRCPDriver Unit: φ10mmImpedance: 32ohm±15%Talk Time: (LED Off): Up to 8 hours; (LED On): Up to 5 hoursPlay Time: (LED Off): Up to 6- hours; (LED On): Up to 4 hoursStandby: (LED Off): Up to 90 hours; (LED On): Up to 13 hoursCharge Time: = 3 hoursOperation Range: =10MBattery: built-in 120mAh lithium batteryWeight: 0.76ozAvailable Colors: green; blue; red; orange*Package Lists*:1 × Wireless LED Illuminated Sport Headset1 × Pair of Small Eartips1 × Pair of Large Eartips1 × USB Charging Cable1 × User Manual