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)

• Bluetooth version: V5.0
• Channel system: Stereo (two-channel)
• Battery capacity: 250mAh Li-ion battery
• Drive unit: 40mm
• Charging time: 2 hours
• Call duration: 12 hours
• Music duration: 15 hours
• Material: ABS
• Waterproof IPX5
• Support protocol: HSP1.0/HFP1.5/A2DP1.0/AVRCP1.3
• Sensitivity: 90 ± 3db
• Frequency range: 20-20000Hz
• Resistance: 16Ω
• Weight: 450g
• Size(L x W x H): 22*22*6cm

Frequency Range :20-20000 (Hz)
Impedance ：32Ω
Sensitivity :105 (dB)
Wire length: 1.2 plus or minus 0.5 (m)
Connection Type :3.5mm
Connection Type: Wired
Product Height :9 cm
Product Length :19 cm
Product Weight: 0.38 kg
Product Width/Depth :13 cm

• The price is almost the same between the two headphones but for me Sony MDR-X450AP
• Extra Bass is the best as compared to my last headphones.
• I can feel the beat of each songs I play on my Samsung Galaxy Note 4.
• Also works perfectly with my Dell Ultrabook laptop.

Bluetooth Version: 5.0
Battery Capacity: 300mAh
Play Time: 20h
Charging Time: 2h
Diameter: 40mm
Impedance: 32Ω
Sensitivity: 98±3dB at 1000HZ
Best Transmission Distance: ＜1M
Maximum Transmission Distance: 10M
Wearing Method: Head-Mounted