Brand: Awei

Model: ES-770i

Sound Mode: Stereo

Sound Effects: 7.1 Virtual Surround Sound

Earphone Frequency Range: 20Hz – 20kHz

Earphone Impedance: 20 Ohm

Microphone Direction: Omni-Directional

Output Power: 20mW(1KHz 0dB)

Sensitivity: >110dB

Connectors: USB-A, 3.5mm Audio Jack

Working Current: About 90mAh

Input Voltage: 5V (Type-A)

Length Of Cable: 2.1 Meter

Weight: 300g

Color: brown, silver white, light blue, black, red

Bluetooth version: 5.0

Operation Distance: 10m.

Color: brown, silver white, light blue, black, red (Optional)

Support: adjust the volume, switch songs, insert cards, answer calls, call rejection, hang up, hands-free

USB charging cable: AC input 110-240 V DC input 5 V

Standby time: 120 hours Working time: 4-5 hours

Charging time: 2 hours

Battery: 150mAh rechargeable polymer battery

• Bluetooth version :5.0
• Driver size : φ40mm
• Frequency Response :20Hz-18KHz
• Impedance :32Ω
• Playback Time : 6 hours
• Charge Time :2 hours
• Battery :3.7v 250mAh

Brand : AWEI GM-1 / GM-2

Temperature : 10-55’C

Cable Length : 2100MM

Net Weight : About 30G

SNR : >110dB

THD : <1%(1KHz 0dB)

Output Power : 20mW (1KHz 0dB)