Description: 1.5.0 bina chip, large capacity, true wireless Bluetooth headset 2. Graphic bass diaphragm, high fidelity high frequency technology, 10 mm dynamic speaker unit 3. 5.0 automatic start pairing, built-in active noise reduction IC, HD call. 4. 5.0 Bluetooth game without delay, electric cockpit can be used for mobile phones, mobile phone emergency power supply, multi-function use.Specifications: Headphone type: in-ear headphones Waterproof rating: IPX6 Bluetooth version: 5.0 Music time: about 300 hours (including rechargeable battery) Talk time: about 280 hours (including rechargeable battery) Sensitivity: 123dB Impedance: 32Ω Frequency response: 20-20kmHz Charging capacity: 2000mAh Bluetooth distance: about 10 meters Connection method: single / double free use Colour: Black Package Included: 1 x earphone 1 x charging cbale