Neck Hanging Bluetooth Earphones With Semi In Ear Wireless Sports Running Noise Reduction And Ultra Long Endurance Navigation Fresh Green

• Newly upgraded Bluetooth 5.3 is faster and more stable, with a new generation of low-power Bluetooth 5.3 chip that allows for one second connection to listen to music and more stable calls. Paired with intelligent power-saving patented technology, • 14mm large unit composite biological diaphragm, using imported audio coil cable and titanium diaphragm for wider low-frequency diving sound quality, high-frequency resolution speaker for more sensitive sound, clearer sound, and more passionate spor • Listening for 160 hours on a single charge, equipped with a 1000mAh high-capacity lithium battery, and developed with low-power micro power technology, turning a long journey into an audio-visual journey • Skin friendly material silicone collar with memory rebound and no deformation, smooth skin friendly silicone material, unique memory curve that bends freely without entanglement, comfortable and natural to wear • Outdoor sports are not afraid of IPX55 dust and water resistance, smooth and skin friendly silicone material, unique memory curve that can be bent freely without entanglement, comfortable and natural to wear