B21 Wireless Earphone IPX8 Waterproof Bluetooth-compatible 5.0 Ear Hook Bone Conduction Headphone 32 GB MP3 Music Player for Swimming – Black

Description: With excellent IPX8 grade waterproof performance, this earphone can still keep normal operation under the water. Featuring bone conduction design, this earphone can efficiently reduce the harm to eardrum and bring you comfortable wearing experience. Using high-quality ABS material, this product is lightweight and durable to use. The length of this product is 15.8cm, the width is 10cm, and the height is 3.5cm. It is suitable for swimming, diving, running, sports, fitness, etc. This earphone is also a nice MP3 player, and you need not to buy extra TF card because it has 32G large memory space for you to store thousands of music. In addition, the opening design of the earphone enables you to pay attention to surrounding voice while listening to music, which can efficiently ensure your safety. Item Name: Bone Conduction Headphone Material: ABS Model: B21 Color: Black Bluetooth-compatible Version: 5.0 Transmission Distance: 10m (Barrier Free) Bluetooth-compatible Chip: ATS2825C Supported Protocols: A2DP V1.3, AVRCP V1.5, HFP V1.6, HSP V1.2 Audio Format: WMA, FLAC, MP3 Operating Frequency: 20Hz-20khz Battery Capacity: Built-in 200mAh Rechargeable Battery (Included) Standby Time: 120 Hours Charging Time: 1.5 Hours Music Time: 8 Hours Talk Time: 10 Hours Waterproof Grade: IPX8 Charging Interface: Magnetic Suction Earphone Type: Bone Conduction Memory: 32 GB Features: IPX8 Waterproof, HiFi Sound, Bone Conduction Size Details: 15.8cm x 10cm x 3.5cm/6.22″ x 3.94″ x 1.38″ (Approx.) Package Includes: 1 x Bone Conduction Headphone 1 x Charging Cable 1 x User Manual