Marvel Bluetooth Headphones Spider Man Laptop Headsets with Mic 

Number Of Drivers: 2

Sensitivity1: 112dB

Model Number2: Original Air 1

Resistance3: 32

Frequency Response Range4: 20 - 20000Hz

Material: PVC

Material: Plastic

Communication: True Wireless

Resistance: 32

Line Length: 0

Connectors: USB

Frequency Response Range: 20 - 20000

Plug Type: none

Is wireless: Yes

Total Harmonic Distortion: 1

With Microphone: Yes

Weight[g]: 50

Headphone Pads Material: other

Maximum wireless range[m]: <10m

Impedance Range: up to 32 Ω

Control Button: Yes

Volume Control: No

Category: Earphones & Headphones

Magnet Type: other

Sound Isolating: no

Charging Method: Charging case

Driver Diameter: 20

Height[mm]: 50

Depth[mm]: 50

Waterproof: Yes

Vocalism Principle: Dynamic

Support Memory Card: No

Active Noise-Cancellation: Yes

Certification: CE

Earcups Type: Sealed

Wireless Type: bluetooth

Battery life up to[hours]: 24

Codecs: AAC

Sensitivity: 123

Support APP: No

Features: Waterproof, With Microphone, Active Noice Cancelling

Bluetooth Version: 5.0

Battery Capacity[mAh]: 250

NFC Technology: YES

Package List: User Manual, Charging case, Charging Cable

Max Output: 1

How to Use i12 inpods
1.Tap the charging case power on switch
2.Open the charging case and take off the earbuds,then eabuds auto-power on and pairing (important reminder:the condition of earbuds auto-power on is to turn on the switch of charging case)
3.Pair with the device: 1)turn on Bluetooth in the device 2)search i12 and connect to i12 Specification: 1. Driver: 15mm 2. Impedance: 9 OHM 3. Bluetooth version: Bluetooth 5.0
4. Output power: 40mW;Battery capacity 35MAH , charging box is 300mh .
5. Bluetooth distance: 10 meters
6. Frequency response: 20-20000Hz
7. Operating voltage range: 3.0V-4.2V
8. Powerful noise de-noising circuit (active noise reduction)
9. Charging time about 1-2 hours .
10. Talk time is about 2-3 hours (a pair of earphones use together ),music time about 2-3 hours (a pair of earphones use together ) , Charging box can charge for the earphons about 3-5 times. Products include: 1 * One pair of Bluetooth headsets(no Original box) 1 * charging box 1 * charging cable 1 * User Manual