Feature: 1. 3D Arc Transparent Cover: Bluetooth earphones are designed with semi transparent material, you can see the internal structure of the earphone, fashionable and cool, lightweight, comfortable to wear. 2. Stable And Fast Connection: Bluetooth 5.3 version connects faster, transmits more stably, better sound quality, and improves both transmission rate and bandwidth to bring a better listening experience. 3. Intelligent Digital Display: LED power digital display, charging compartment power at a glance, digital display is easier to read, with cool lighting, full of design. 4. Master Slave Switching: Wireless headphones support any monaural use, any headphone can be individually paired to connect, does not affect the use of another headphone. 5. Long Battery Life: Wireless open ear headphones can be played continuously for 3 to 4 hours, and after 2 hours of full charge, you can use the charging case to play music for 30 hours. Specification: Item Type: BT Earphones Material: PC, ABS BT Version: V5.3 Supported Modes: HFP, HSP, A2DP, AVRCP Transmission Distance: Approx. 10m/32.8ft Charging Port: Type C Earphones Battery Type: 2 x 50mAh Lithium ion Battery (Built in) Charging Case Battery Type: 400mAh Lithium ion Battery (Built in). Package List: 2 x BT Earphones1 x Charging Case 1 x Charging Cable 1 x User Manual