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$ What is osteoconduction? $
Bone conduction is a place where sound vibration bypasses the outer ear and the middle ear (the ear drum and the ear ossicle) and directly transmits the skull and the jawbone to the inner ear (cochlea).
People always listen to some kind of sound, especially my own voice like this.
If you are wearing earplugs, you will find that your own voice is still quite sounding.
This is because you hear it through bone conduction.
Bone conduction is a new hearing method that protects the ear while enjoying sound.
# Amazing bone conduction system #
specification:
Charging: Power adapter (DC 5 V output 150 mah)
Supported Protocol: Headset / Handsfree / A2Dp / AVRCP
Standby time: about 10 days
Battery capacity: 220 ma
Wireless range: 33 ft (10 m)
Speaker Type: Bone Conduction Technology Speaker, 1 W Dual Speaker
Mic: Interference prevention microphone, -40DB
Receive sensitivity: 88 dBm
Frequency range: 20 to 20 KHz
Matching method:
1. Set the Bluetooth headphone switch to "ON".
2. Search and select a Bluetooth device with a mobile phone or other digital product.
When it matches for the first time, when the BT headphone turns on it will automatically go into match mode.
Also, the LED light blinks between blue and red.
If it is connected to the last device, it automatically matches in 10 seconds.
The blue light is on.
If it matches or re-matches with another device, pressing the "Play" button for 3 seconds will bring the Bluetooth headphones into the matching mode manually.
Package contents:
Bluetooth headset x1
Adjustable headband x1
Micro USB cable x 1
Features:
Product information:
Shipping Weight: 4 g
Package Dimensions: 5.00 x 8.00 x 8.00 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."
