Bakeey E2 Bone Conduction Neckband Earphone Wireless Bluetooth Headphone Stereo Sports with Mic

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Specification:

Model: E2
Color: Black, Grey, Red
Headphone size: 16x25x22mm/0.62x0.98x0.86''
Net weight: 3g
Packing weight: 18g
Main chip: Bluetooth master IC AB1522S QFN5*5
Working frequency: ISM band (2.402-2.480GHZ)
Emission power: Class2 (-6dbm-4dbm)
Maximum output power: 8mW
Rated output power: 5mW
Antenna: Bluetooth distance: 10 meters
Bluetooth antenna: built-in antenna: 2.45G
Physical keys: 3 (switch key / volume + -)
Bluetooth protocol: A2DPV1.3 AVRCPV1.5 HFPV1.6 HSPV1.2
Bluetooth version: BT V4.1
Electroacoustics: MIC silicon Mic; sensitivity: -42+/-3db
Speaker: 9 horn, 0.5W, 16 ohm +/-2.4 ohm, sensitivity 104+/-3db
Power: rechargeable polymer lithium battery 041035
Battery capacity: 110mAh
Working voltage: 3.7V
Charge voltage: DC-5V 500mA
Standby time: 10 days
Play time: 6 hours
USB port: Micro USB 2.0 patch all post USB
Length: 5mm
Shell: injection PC+ABS
Horn cover: silicone steel wire (nickel titanium alloy steel wire)

Package included:

1 x Bakeey E2 Bone Conduction Earphone

TOPPERS E2 Active Noise Cancelling Earphone Hi-res 3.5mm Jack Heavy Bass Stereo Headphone with Mic - Black

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Features:

Active noise cancelling--Reduce background sounds by up to 30dB with our advanced noise cancelling technology to enjoy uncompromising powerful audio and to give you the music you love for work, travel, and relaxation.
Intelligent CNC+ One-button noise reduction--The CNC box integrates the telephone answering function to free hands and the LED dynamically displays the power.
Using 10 mm diameter moving coil, with composite diaphragm, bring super bass. After Hi Res quality certification, to ensure stereo quality.
Fit the ear canal--4 sizes of soft and hard silicone earplugs are free to choose.
After a series of rigorous tests, including environmental testing, and wire durability testing, quality assurance is guaranteed.

Specifications:

General Specification
Brand	TOPPERS
Model	E2
Color	Black
Wearing Type	In-ear
Cable Length (m)	1.3m
Technical Parameters
Microphone	Yes
Wired Control	Support
Rated Power	10mW
Receive Sensitivity	115dB
Impedance	32Ω
Frequency Response	20-20kHz

Package  Included:

	1* TOPPERS E2 Active Noise Cancelling Earphone
	1* USB Charging Cable
	2 pairs of eartips
	1* Manual