Original Headset Spy Headphones Android Black Wireless Smallest Earbuds Mini Ear Piece Earphone Mic Buds / Wireless Charge

Bluetooth version: Blueturm V5.0Wireless frequency: 2.4GHZBluetooth frequency: 2.402GHz-2.480GHzTransmission distance: 10 mCapacity: 50mAh(earbuds), 3500mAh(charge case)Charging voltage: 5V / 1APlay / talk time: about 10 hoursCharging time: about 2 hoursWaterproof: IPX6Supporting protocols: HFP1.7/1.2, A2DP1.3,AVRCP1.6, SPP1.2andPBAP1.2, BDR/BLE1. Can support wireless charging for charge case 2. LED Power display 3. Automatic start up pairing 4. 5.0 bluetooth chip 5. HI-FI sound quality 6. Volume adjustment 7. Binaural call and for siri voice awaken