[Truly Wireless] Projection Function bluetooth Earphone With 1200mAh Charger Box Power Bank

Features: 1.Synchronous shutdown: Two headphones have been connected to the state, the operation of any one headset shutdown, the other will be simultaneously shut down; 2. The charging base can be as a power bank to supply power for your smartphones. 3. Mini size, it is stealth in ears. 4. With projection function, there is a rotary button in the side of base. You can switch the slides from it. Specifications: General Specification Color Black, White Wearing Type In-ear Technical Parameters Microphone Yes Wired Control Not support bluetooth Version V4.1 Transmission Distance 10m Receive Sensitivity -92dBm Distortion 0.1% Frequency 2.4GHZ-2.48GHZ Battery Capacity Charger: 1200mAh, 3.7V Earphone: 45mAh Charging Time (h) 1 hour Working Time (h) 2.5-3 hours Package Included: 1* Truly Wireless bluetooth Earphone 1* Charging Cable 2* Pairs of Earmuffs 1* Storage Bag 1* Manual