Universal Wireless Bluetooth Headset Stereo Neckband Sports Earbuds with Mic

Features:
1.True wireless bluetooth headset.
2.360° surrounding sound.
3.Bluetooth 4.2, effectively reduce noise.
4.Mini and delicate design, easy to carry.
5.ABS high strength material, environmental protection, not easy to fade.

Specifications:
1.Name: Bluetooth Headphone
2.Model: TWS-K2
3.Color: Black
4.Material: ABS(Acrylonitrile Butadiene Styrene)
5.Size: 28x28x20mm
6.Bluetooth Version: BT4.1+EDR
7.Operating Distance: >10m
8.Battery Case Size: 80x60x30mm
9.Battery Capacity: 450mAh
10.Talk Time: About 3 Hours
11.Music Time: About 3 Hours
12.Standby Time: About 40 Hours
13.Charge Time: 2 Hours
14.Support System: Support all mobile phone with bluetooth function
15.Voltage: DC 5V
16.Speaker Impedance: 16Ω
17.Speaker Frequency Response: 20~20KHz
18.Microphone Sensitivity: 42+-3Db
19.Microphone Impedance: 200Ω
20.Working Frequency: 2.402-2.48GHz
21.Supports: HSP/HFP/A2DP/AVRCP
22.Charging Interface: Point-contact

Package Included:
2x Earphones
1x Charging Power Supply Box
1x Micro USB Cable
1x User Manual
6x Replacement Eartips

Universal Wireless Bluetooth Headset Stereo Neckband Sports Earbuds with Mic Black

• Condition: New
• Dimensions: 22.0 millimeters (H) x 165.0 millimeters (W) x 199.0 millimeters (L)
• Weight: 77.0 grams

• Included in the box: Package Included: 2x Earphones 1x Charging Power Supply Box 1x Micro USB Cable 1x User Manual 6x Replacement Eartips
• Made in United States