Description Bluetooth 5.0 main control chip, support 10 meters wireless connection. Four integrated for DSP audio processing systems that eliminate noise and for echo, ensuring clear communication and music. The for ultra-mini design earphones are placed in the ear, and the compact and lightweight design does not easily hurt the ears. Safe battery for protection, guarantee 5 hours of running time, easy to operate. The single stereo earbud has a large range of application,which is suitable for home,party,shopping,dating,office and more. Specification: Color: black,red,blue,white,pink. Product model: L16mini Speaker impedance: Φ10mm copper ring 32& for Omega; ± 15% film Battery indicator: rechargeable polymer lithium battery Charging time: 1-2 hours Power: DC5V Material: PC+ABS Support file format: A2DP, AVRCP, HSP, HSP Headphone size: 2*1.6*1.4cm Bluetooth chip / version: 5.0 Sensitivity: + 42DB Battery capacity: Headphones 55mah Standby time: 100 hours Working time: 3.5-4 hours Transmission power: CLASS 2 Working temperature: -10 -55 °C Note There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package included: 1 * Mini Bluetooth Earphone 1 * USB Charging Cable 1 * User Manual