Features 1. BT 5.0 - Stable Signal: High quality BT chip, new version 5.0, improved transmission quality, speed, anti-interference ability 2. 38H Long Using Time: Equipped with high performance lithium battery, after 3 hours short time full charged, SOMiC SC2000 Pink would last for 3H using. You could use it anytime anywhere you want 3. Never Power Off: Available for wired or wireless; if the lithium battery is run out of power, SC2000 Pink compatible with 3.5mm jack could be used as AUX model keep using and suitable multi- platform like IOS, Windows, Android etc 4. Incredible HiFi Sound Quality: 40mm large-aperture drivers and lard full covering earpads providing a great sound isolating and you could enjoy deep bass, HiFi quality immersive sound 5. Adorable Kitty Ear Design: Detachable kitty ears with comfortable material, elegant pink color would be great choice for your Christmas gift MICROPHONE Mic Dimensions 6.0mm Directivity Omnidirectional Sensitivity -38±3dB Impedence ≤2.2kΩ SPEAKER Driver Diameter 40mm Sensitivity(S.P.L) 98 ±3dB Impedance 16Ω+15% Frequency Response 20Hz-20kHz Rated power 15mW Maximum power 30mW