Byikun Wireless Earbuds Bluetooth Headphones, Running Headphones Sport Earbuds with Earhooks, Earbud & in-Ear Headphones, Wireless Earbuds Noise Cancelling, Ear Buds for Workout Jogging Gym #C

? Specification: ? Product Name: Wireless Earbuds ? Product color: Black ? Material:ABS ? Bluetooth 5.0 ? Bluetooth effective distance < 15m ? Optimal call distance < 15m ? Bluetooth operating frequency: 2.402Hz ~ 2.480GHz ? Built in battery: lithium battery: headset: 3.7v/35mah; charging stand: 3.7v/450mah ? Single life time of earphone: 6H?with the capacity of earphone compartment: 18h ? Loudspeaker unit: 8mm ? Charging time: earphone: about 0.5 hours; Charging box: about 1-2 hour ? T-ouch Dual wearing mode ? Charging box size: 9.2x7.4x4.4mm/3.62x2.91x1.73inch ? Package size:15x8x5/5.91x3.15x1.97inch ? Net weight: 80g/0.18lbs ? Gross weight:145g/0.32lbs ? main material: ABS ? Package Include: ? 1x Wireless Earbuds ? 1x USB charging line ? 1x Charging Case ? 1x Specification