Features: 1. INTELLIGENT NOISE REDUCTION: Wireless lavaliere microphone adopts 3 different noise reduction modes, built in DSP noise reduction chip, which allows you to record clearly in a noisy environment. 2. LONG ENDURANCE: Built-in 100mAh rechargeable battery, works up to 6 hours on a single 90min charge. 3. PLUG AND PLAY: No Bluetooth, No APP needed, just plug the lighting connector into the phone, and clip the mini microphone onto the shirt, it starts working in one second. Suits for Vlog, Interview, Live streaming, Blog, Podcast, Online video tutorials, and Singing recording, etc. 4. BARRIER-FREE 20m-30m OF RANGE: Built-in optimized antenna and advanced 2.4GHz transmission technology enable covering up to 20m-30m distance of range indoor or outdoor stably. Ideal for Bloggers, Journalists, Mukbang, Fitness coaches, Teachers, and Office people. 5. PORTABLE CARRY: Concise, stylish design. The charging case holds both storage and portability. Its compact size is convenient for video creation anywhere, any time. Specification: Material: ABS Product Color: Black Product Size: Microphone: 17 x 15.7 x 46.7mm, Receiver: 16.5 x 9 x 41.2mm Product Weight: 550g Input Voltage: 5V Microphone Battery: 100MAH Charging Compartment Battery: 600mAh Battery Capacity: 60mAh Long Endurance: 10 Hours Working Time: About 6H Charging Time: About 90min Signal-to-noise Ratio: 64DBM 3-step Noise Reduction Transmission Delay: 30MS Sensitivity: -42DB Frequency Response Range: 20-20KHZ Transmission Distance: Barrier-free 20m-30m Frequency Range: 2.4GHZ Optional: iOS, Type C Package Included: 1 x Wireless Lavalier Microphone 1 x Receiver 1 x Instruction Manual or 1 x Wireless Lavalier Microphone 1 x Receiver 1 x Charging Case 1 x Instruction Manual