In-Ear Headphones - Universal - Bone Conduction Headphones Wireless Bluetooth Headphones Sports Headphones (Black) Highlights Universal Bone Conduction Headphones Wireless Bluetooth Headphones Sports Headphones (Black) Bone Conduction Headphones Wireless Bluetooth Headphones Sports Headphones sport (Black) The product is shipped according to the color or size of the main image on the product page. Color: black Feature: Powerful battery life upgrade, 8 hours music play time under full charge 300 hours standby time, focus on sports, unleash your full potential. 5.1 Bluetooth chip, come on the headset cord, dual microphone noise cancellation technology, even in a noisy environment to bring clear calls. Waterproof and sweatproof, with IPX5 certification, enjoy sports life and sweat freely. Compatible with a variety of music apps, a variety of smart Bluetooth devices. Battery Capacity: 1200mAh Polymer Battery Headset Type: Dual Listen Portable Sports Bluetooth Headset Impedance: 32|@15% Sensitivity: 84@3DB Waterproof Rating: IPX5 Battery Capacity: 120mAh game: about 5 hours Standby time: 120 hours Charging time: 1.5 hours (the first charge is preferably more than 3 hours) Transmission distance: 10-15m Product category: Bluetooth headphones Shell material: ABS Bluetooth version: 5.1 Headphone speaker: 200Hz-8KHz Battery type: Li-Polymer battery Sound channel: stereo Usage: ear type Packing list: Bluetooth headset *1 Description *1 Cable *1