[Truly Wireless] K8 Business Bluetooth Earphone Binaural Invisible Sports Headset With Charging Box

Features: 1.Ergonomic design, with soft silicone ear cap, effectively block the noise and enhance the bass effect. 2.High-definition sound and bass-driven stereo earbuds. 3.The sound is highly restored with an in-ear design, saying goodbye to leaks and reshaping strong bass. 4.The DSP noise reduction technology combined with a sensitive microphone recognizes ambient noise, reduces noisy sound, and improves speech intelligibility. 5.The transmission is more stable, the wireless coverage is wider, the low-power operation is more energy-saving, and it is compatible with various Bluetooth devices. 6.Built-in dynamic speaker unit + metal stitching diaphragm, reduce distortion and restore more music details, compatible with all Bluetooth devices. Specifications: General Specification Model K8 Color Blcak, Black Red Wearing Type In-ear Material ABS Net Weight (g) 5g*2 Dimensions (cm/ inch) Earphone: 27*19*22mm Charging Case: 99*52*34mm Technical Parameters Microphone Yes Wired Control Not support Bluetooth Version 4.2 Transmission Distance 10m Receive Sensitivity 85dB Impedance 32 Frequency Response 20-20KHz Battery Capacity Earphone: 55mAh, 3.7V Charging Case: 450mAh, 3.7V Charging Time (h) 1-2h Taking Time 6h Working Time (h) 6h Standby Time (h) 100h Package Included: 1*K8 TWS Bluetooth Earphone With Charging Case 1*Charging Cable 1*Manual