1 In 2 Wireless Collar Wheat With Charging Warehouse Phone Live Broadcast Interview Noise Reduction Collar Microphone(8 Pin Interface) Rolton LCD screen size: 2

LCD screen size: 2

but the fingers blocks sight easily

the full-screen display of the game screen will not be blocked by the hand

does not hurt the mobile phone

the casting is fine and round pen body

1 In 2 Wireless Collar Wheat With Charging Warehouse Phone Live Broadcast Interview Noise Reduction Collar Microphone(8 Pin Interface) Rolton LCD screen size: 21. Material: ABS 3. Charging power: DC5V 4. Battery capacity: 80mAh, charging bin 800mAh 5. Signal to noise ratio: 70dB or more 6. Pickup: condenser type 7. Endurance: about 20h 8. Frequency range: 20Hz 20KHz 9. Size: about 8 x 5. 8 x 3. 4cm 10. Weight: about 145g Features: 1. for cell phones computers cameras cameras sound cards recorders and other devices, for most APP software 2. Ultra clear radio, reverb sound, 48KHz, 16Bit, CD quality audio