Description: Our lightweight bone conduction headphone would not cause too many burdens to your ears. In addition, designed with upgraded Bluetooth-compatible chip design, the earphone provides stable, fast and delay free connection. IPX5 waterproof rating can effectively prevent the bone conduction earphone from being damaged by sweat and raindrops. This product has a longer lifespan than others on the market. And more, it also adopts battery display design. It is constructed of ABS material. The length of this product is 6.5cm, the width is 5cm and the height is 1.3cm. This product is perfectly suitable for home, household, dorm, office, etc. Item Name: Wireless Earphone Material: ABS Bluetooth-compatible: 5.2 Battery Capacity: 300mAh Calling Time: 88h Standby: 1 Year Protection Grade: IPX5 Active Noise Reduction: Support Play Control: Support Transmission Range: 10m Style: Ear-hang Type Features: Ultra-Light, Clear Sound, Long Lasting Size Details: 6.5cm x 5cm x 1.3cm/2.56" x 1.97" x 0.51" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Wireless Earphone 1 x Charging Cable Our lightweight bone conduction headphone would not cause too many burdens to your ears. In addition, designed with upgraded Bluetooth-compatible chip design, the earphone provides stable, fast and delay free connection. IPX5 waterproof rating can effectively prevent the bone conduction earphone from being damaged by sweat and raindrops. This product has a longer lifespan than others on the market. And more, it also adopts battery display design. It is constructed of ABS material. The length of this product is 6.5cm, the width is 5cm and the height is 1.3cm. This product is perfectly suitable for home, household, dorm, office, etc.