JBL JR 460

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

• 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

Article name: wired headphone
Material: plastic, metal
Speaker diameter: 40mm
Sensitivity: 115db
Impedance: 32
Frequency response range: 20hz-20khz
Microphone: 6.0 x 5.0mm
Plug: 3.5mm
Microphone impedance: 2.2k
Features: wired, noise reduction, comfortable to wear
Cable length: 1.20.3m/47.24 inches 11.81 inches (approx. )
Size: 14.5 cm x 12 cm x 6 cm/5.71 inches x 4.72 inches x 2.36 inches (approx.)

-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

• Brand: Abingo
• Model: BT10
• Wireless version: 4.1
• Working distance; up to 10m
• Impedance: 32ohm ± 15%
• Speaker: 40mm drivers
• Frequency: 2.4GHz – 2.4835GHz
• Talking/Playing time: about 15 hours
• Standby time: Up to 100 hours
• Battery: 300mAh rechargeable lithium ion-polymer
• Power requirement: 5V DC