BLUETOOTH & HANDS FREE - Single mode bluetooth v4.2, ultra-low power consumption. Easy and fast pairing with smartphones, tablets and other Bluetooth enabled devices. ??Barrier free transmission range of up to 50ft (15 meters). Safe driving. Communication is more convenient.（wireless bluetooth headphones）
GOOD CALL & AUDIO QUALITY - Built-in A2DP /AVRCP Audio Processing System. Using magnetic strongest drive unit and equipped with high-performance dynamic driver systems, these headphones will provide clear, natural and bass sound. Studio-tuned audio with crystal clarity guaranteed. Reduce ambient noise for an exceptional audio experience.（wireless bluetooth headphones）
WATERPROOF & LONG -LASTING BATTERY LIFE - IP67 water proof rating means it can be immersed under water at a depth of 30 ft 30 minutes.Built-in 55mAh high performance rechargeable Polymer battery,M770i deliver an industry-leading of 6 hours listening time on one charge. standby time about 72 hours with Power on. Full charge takes 1 hour only. Simple, efficient, and fast.（wireless bluetooth headphones）
OUTDOOR & EXTREMELY COMFORTABLE - Ergonomics designed earbud conform with the shape of your ear，no longer need to deal with annoying twisted cords，Not easy to drop while running, cycling, driving and climbing .Perfect Unique ear canal design makes the earbud just comfortable embedded in the cochlea，Painless for a long time to wear.（wireless bluetooth headphones）
WARRANTY & CUSTOMER SERVICE: 12 months free warranty, 3 month replacement or refund! Don't be hesitate to contact me if you have any problem with our product and we will try to help as quickly as possible. NOTE: Please use a waterproof test before use. | NOT SUITABLE FOR DIVING（wireless bluetooth headphones）

Technical Details

Width : 0.5 inch
Height : 0.6 inch
Length : 0.8 inch

Product Details

Product Dimensions
Width : 0.5 inch
Height : 0.6 inch
Length : 0.8 inch

Package Dimensions
Width : 3.74 inch
Height : 1.57 inch
Length : 4.53 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 0.16 ounce (View shipping rates and policies)

ASIN : B075GVZL3Y