Many people knew that it is good for listening music if you “BURN” the device firstly when you get it. it doesn’t mean to use it at max volume. In fact, it is a little bit like driving a new car ,at the begining , runing slowly will make the mechanical part (vibration part is equivalent to the mechanical part) get the best running-in , it is not good for the earphone if you drive it in max volume firstly. Here are some tips for runing the new device : 1.playing music in 30%-40% volume for about 12 to 24 hours and then take one day for brake. 2.after that you can choose to play different styles of CD at about 5-10 hours (including the human voice, symphonic, electronic music, pop and field), 3.Next select your favorite CD with a larger volume (the max volume which is accepted for you) testint for 1-2 hours, and then playing music for about 5 hours in Mid-Volume wight some light music. It’s better and good for your new device if you note that and follow the tips above. Hope it can Help you , Have a nice day! Specification Bluetooth version: V4.1 Transmission Range: 10 m Profile support:HSP/HFP/A2DP/AVRCP Stand-by time:180h Talk time:5h Play music time:5h Charging time:2h Frequency range:2.402G-2.480G Ambient temperature:-0/+50 C Frequency response: 20-2200HZ Mic: YES Functions: ? Support Multipoint connection-Connect with two different devices at the same time ? Support voice reminding function ? Iphone: power consumption display function Package Included: 1x Bluetooth earphones 1xUSB charging cable 1xUser Manual 1x cable winder (Free Gift) 1x Luminous Waterproof Bag Case(free Gift) 1x Earphone Bag (Free Gift) Note : this item without retail box ,Please kindly contact us if your need .thanks we will sent you the gife radomly as we show below:
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|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|
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