DescriptionThis wireless ear hanging headphone is made of premium material, which can withstand long-lasting use. Features the ABS and electronic components material, which has high durability, not easy to deform. Fine workmanship, ensures practicality.Features-Color: Black-Material: ABS, electronic components-Size: 4.90X4.50X2.40cm/ 1.93X1.77X0.94in Battery: 120mAh Music/talking time: about 28 hours Version: V5.1+EDR Wireless frequency: 2.4GHz Support agreement: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3 Transmission distance: 10 meters Charging voltage/current: 5V/1A Charging time: about 1 hour Standby time: 120 hours Speaker impedance: 8MM 32ohm Microphone sensitivity: -42Db Working temperature: -10-50 - Long battery life, high-definition call, full wireless high-performance headset. - The minimalist line design and the collision of two materials unlock the aesthetics of craftsmanship and balance beauty and comfort. - HiFi sound quality, enjoy music. The music experience like attending a live concert is just for better listening. - Connect immediately after power-on, and memorize the pairing. After the wireless matching is successful, it will automatically connect to wireless without waiting when it is turned on. - Special design and it is in fine craftsmanship. It is the best replacement for your old, broken one.