Feature: 1. Large-capacity charging box, long work life, charging box with 2600 mAh 18650 battery, with 5.0 low-power Bluetooth chip, to achieve ultra-long battery life 2. Portable mobile power supply, charging box can supply power to the headset, and can emergency charge mobile phones and other mobile devices. 3. Fingerprint touching does not need to be pressed, touching control, change the traditional button control method, get rid of the pressure of wireless earphone control will bring unfit pressure. Specification:Condition: 100% Brand NewItem Type: Wireless Bluetooth HeadsetMaterial: ABSColor: blackWeight: Approx. 159g Program: 6936D4 5.0 Use: Touching Battery: Single ear capacity 50mAh, charging box 2600mAh, polymer lithium battery Use time: headset 3.5-4 hours Number of times the charging box charges the headset: 20 Bluetooth version: 5.0 Effective distance: about 15M Package List:1 x Charging box2 x Headset2 x Ear cap1 x Charging cable1 x Instruction