Why Choose ySky Wireless Lavalier Microphone System? ✔ Plug and Play, Ease to Use! ✔ Only 0.009s Delay in Transmission✔Hands-Free,Small Compact Size Help Easily Clip to Your shirt, Tie or Pocket. ✔ Turn Your i-phone into a Pro Recorder. ✔ Real-time Clear Voice Auto-Syncs. ✔Offers Professional full Band Audio 48kHz Stereo CD Quality. ✔ Anti-interference & Long Operating Range. ✔ Crystal Clear Sound Super Low Latency. ✔ Wide Versatility & Compatibility. ✔ Built-in Lithium RechargableBattery(8hs Working Time). ✔ We Hope You Never Have the Need, but if You Do, Our Service is Friendly and Hassle-free Warm Tips: In order to Make the Wireless Lavalier Microphone Work Normally After Receiving the Product. 1.Please Charge The Transmission Micphone for 1.5 hours Before Using. 2.Please Read User Manual and Warm Card Before Using Our Products. Package Included: 1.Lavalier Microphone x 1 2.Reciever x 1 3.Charging Cable x 1 4.User Manual x 1 5.Warm Card x 1 6.Storage Bag x 1 ySky iOS Wireless Lavalier Microphone -- Provide You With a Professional & Excellent Mobile Phone Recording Experiences.