1. Earphones material – ABS, for more durability.2. Cable length is 85cm and made of Flex-Form material. Weight is only 21g, so no burden while use.3. Wireless version: 4.2. Wireless chip: Airoha.4. Battery capacity is 120mAh and charging time is 2 hours.5. Talk and music time is about 6 hours, standby time is about 90 hours, hence you can use it anytime.6. Applicable to all-day long-time wearing, the earhooks firmly fixing the earplugs, thus nothing will hold you back.7. Language supported: Chinese and English.