Marshall Major Bluetooth Wireless On-Ear Headphones

-noise cancelation
-premium sound
-smart listening technology
-wear all day in total comfort
-clear hands-free calling
Model Number ; KD73
Style : Headband
Communication : Wireless
Use : Portable Media Player, Mobile Phone, COMPUTER, Gaming, Sports, Travel, PROFESSIONAL, HiFi Headphone

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

-Model number: A770BL
– Bluetooth version: 5.0
– Battery capacity: 250mAh
– Standby time: up to 25h
– Talking time: up to 10h
– Playing time: up to 13h
– Charging time: 1h
– Transmission distance: up to 10m
– Frequency response: 20-20kHz
– Connectivity: Bluetooth, 3,5mm aux-in

• 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

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)