1. One-click noise cancelling
2. One key to mute
3. CD sound quality
4. 40-hour long lasting battery life (with charging case)
5. Playback without unplug pass-throught charging
6. 200m transmission range
7. Supports external microphone
8. 360 degrees omnidirectional sound pickup
9. Plug and Play

Specifications:
Wireless transmission: 2.4GHz adaptive frequency hopping
Polar pattern: Omnidirectional
Max sound pressure level(SPL): 112dB
Sampling rate: 48KHz
type of battery: LiPo battery
Microphone frequency response: 20Hz-20KHz
Charging time: TX: 1.5 hours, charging case: 2 hours
Endurance: TX: 7 hours, charging case: simultaneously charge 2 TX for more than 4 times
Input dynamic range: 87dB
Transmission range: 50m (free movement), 200m (LOS)
Bit depth: 16bit
Size: TX: 52.5x25x10mm 15g, RX: 48x28.2x9mm 7.2g, charging case: 94x63x31mm

Packaging list:
2 RX + 2 TX: Type-C receiver x 1, 8-pin receiver x 1, transmitter x 2, charging case x 1, windproof fur x 1, data cable x 1, storage box x 1, user manual x 1
Type-C RX + 2 TX: Type-C receiver x 1, transmitter x 2, charging case x 1, windproof fur x 1, data cable x 1, storage box x 1, user manual x 1
8 Pin RX + 2 TX: 8-pin receiver x 1, transmitter x 2, charging case x 1, windproof fur x 1, data cable x 1, storage box x 1, user manual x 1
Type-C RX + 1 TX: Type-C receiver x 1, transmitter x 1, windproof fur x 1, data cable x 1, storage box x 1, user manual x 1
8 Pin RX + 1 TX: 8-pin receiver x 1, transmitter x 1, windproof fur x 1, data cable x 1, storage box x 1, user manual x 1