high quality HIGH-SPECIFICATION DSP CHIP Wireless lavalier microphone provides 48Khz-16Bit 65 dB SNR 135 dB SPL high-specification audio format, which omnidirectional captures every detail of the sound clearly, and works well in a high-pitched sounds environment. Optimal use range: recording within 20 M/ 80 FT (no barriers)WHAT'S IN THE BOX Lapel Mic x 2, Charging Case x 1, USB C Receiver x 1, Lightning Receiver x 1, USB A Adapter x 1, Magnetic Patch x 2, Magnetic Wind Muff x 2, Storage Bag x 1, Charging Cable x 1TAP TAP TAP Switch audio processing modes anytime, anywhere by clicking mini microphone button according to the scene, and switch the volume gain by clicking the button on the receiver. Audio modes and volume gain levels are displayed with icon lighting for at-a-glance visibility. Mic Button: Tap ENC , Tap-Tap MUTE, Tap-Tap-Tap REVERB. Receiver Button: Cyclic Tap control Vol GainULTRA LONG USE TIME The whole unit can provide a total of 35 hours of battery life (2 x 7 + 21), 7 hours of stand-alone tiny mic use time, the charging case provides 21 hours of power backup, recording all day long without hassle. It takes only 1.5h to charge from 0 to full powerCOMPACT & MAGNETIC wireless microphone system is all-in-one, carrying USBC/lightning port receiver, compatible with most of the devices via included USB A adapter. Magnetic clip and magnetic mic he used with the magnetic patch/wind muff can be used securely on all clothes. Mic 8 g/1.6 cm x 1.8 cm x 4.1 cm, charging case with mic 60 g/ 1.8 cm x 5.5 cm x 6.2 cm