



Item Descriptions:
color:
purple
● There are 10 types of colors that are rich in colors.
It is suitable for various people.
Fill life with colors, make me more healthy!
In case
● Design is comfortable for ergonomics to optimize, weight is very light!
This earphone is the best choice when aggressive lifestyle, such as running, bicycle, leisure, camping, hiking, sports etc.!
● You can enjoy treble and bass with sound and deep base.
I will proceed with my favorite music and podcast.
Voice coil voice coil high sound quality
High purity voice coil is adopted, the tone color is strengthened, and the life span of the voicing unit has been extended.
There are stereo audio, metal deep bass, sound beautiful, realistic.
Fashion main button
Built-in microphone, you can talk.
High voice quality, super fluent voice of people.
basic operation
"Call response / song stop" with one click.
Double click "Skip music", press down two times, press the bottom one, press the top one.
Long press to "make a call".
Adopted special wide goat
Goth length 1.2 M, durability up by 30% than others, at the same time preventing goat tangling!
Complete and compatible
3.5mm connection terminal, all controller compatible
spec
Brand: Langsdom Model: JM21
Controller compatible OS: ANDROID Windows Phone iOS
Reproduction frequency band: 20-20000 Hz
Impedance: 16 Ω ± 15%
Sensitivity: 108 dB ± 3 dB
Cord length: 1.2M
Connection terminal: 3.5 mm
- Comes with 3 size (S, M, L) silicone earpiece that can be exchanged according to the size of the ear hole.
You can attach earpiece of appropriate size, comfortably wearing to the ear.
Features:
Product information:
Shipping Weight: 40 g
Package Dimensions: 4.09 x 14.40 x 15.09 cm
SHIPPING METHOD
Delivered directly from Japan by Japan Post. It will take 3 to 5 business days to prepare the order for shipping. We guarantee careful packing and safe shipping.Please note that in some cases additional import or VAT charges may incur and have to be borne by the client.
1. Japanpost registered mail
Shipment by Japanpost Registered Mail (Standard). Trackable any time with tracking number. Insurance is not available. Delivery time usually is between 1-3 weeks from the date of dispatch. Some items are not eligible for Standard Shipping.
2. Qxpress Standard
Shipment by Qxpress standard service. Trackable at any time with tracking number. Registered and insured up to a value of item price and shipping fees.Delivery time is usually between 5-10 business days from the date of dispatch.
3. EMS
Shipment by Expedited Mail Service. Trackable at any time with tracking number. Registered and insured up to a value of $200 and usually delivered in 2-6 business day from the date of dispatch.

| Japanpost registered mail | Qexpress | EMS | |
|---|---|---|---|
| Shipping Method | Japanpost Registered Mail (Standard) | Standard Qexpress | EMS (Expedited Mail Service) |
| Trackable | Yes | Yes | Yes |
| Insured | N/A | Yes (Up to item price and shipping fees) | Yes (Up to $200.00) |
| Asia | 1-3 weeks | 5-10 days | 2-5 days |
| Oceania; North America; Central America and the Middle East | 2-4 weeks | 6-14 days | 2-6 days |
| Europe | 2-4 weeks | 6-16 days | 3-8 days |
| South America and Africa | 2-4 weeks | 10-18 days | 4-8 days |
NOTICE:
"According to Qoo10 guide line,overseas shipping fees will be charged to you extra if you choose Qxpress standard shipping.We recommend you to compare the total price of your purchase with EMS."
