Active Noise Cancellation (up to 25dB) Bluetooth v5.2 with up to 10m Wireless Range Dual Mic Environment Noise Cancellation for Calls 25hrs Total Playback | 120min Playback with only 10min of Charging 10mm Large Diamond Class Hi-Fi Sound Driver ⚡Specifications Brand: Realme Model Name: RMA2003 Color: Closer Black Headphone Type: True Wireless Inline Remote: No Sales Package: 1 Pair of Earbuds, Charging Case, Charging Cable, Ear Tip (M, L, S) Connectivity: Bluetooth Headphone Design: Earbud Bluetooth Profiles: HFP/A2DP/AVRCP Bluetooth Version: 5.2 Bluetooth Range: 10 m Headphone Power Source: Battery Battery Output: 5 V Battery Type: Li Polymer Battery Life: 25 hrs Battery Capacity: 460 mAh Charging Time: 2 Play Time: 25 hrs Foldable/Collapsible: No Deep Bass: Yes Water Resistant: Yes Monaural: Yes Open/Closed Back: Closed Back Headphone Driver Units: 10 mm With Microphone: Yes