Edifier TWS NBQ Wireless Bluetooth Earbuds has single and dual-ear modes and you can has Easily switch thoes mode. These TWS NBQ earbuds only weigh 4g but feature complex acoustic technology. This Edifier TWS NBQ featured with Bluetooth version V5.0 (A2DP, AVRCP, HFP, HSP Bluetooth protocol), Noise-cancellation on: 7+18h, Noise-cancellation off: 9+23h, 10m Effective distance, 5V=60mA (Earbuds), 5V=1A (Charging case), 20Hz-20KHz Frequency response, 94±3dBSPL(A) Sound pressure level, 24Ω Impedance. With dual-microphone function, you can make clear crystal calls anywhere you want. The Edifier TWS NBQ has built-in ANC technology brings you an environmentally soundproof listening experience, so thatAny external noises can be easily filtered out while listening to music. This earbuds is Water and Dust Resistant, so you can use it comfortably. Here, The Gaming mode lets you enjoy mobile games with a low latency of around 80ms. This latest Edifier TWS NBQ earbuds has 01 year warranty.