Green Lion River Plus True Wireless Earbuds deliver high-quality sound and advanced features for an optimum listening experience. Made of ABS + PC tough materials, the earbuds have a 13mm speaker that delivers rich sound in a wide frequency range of 20Hz-20kHz. The earbuds have 116±3dB sensitivity and 32? impedance, delivering clear, immersive sound. Bluetooth V5.4 offers a stable connection with a 10-15m transmission distance. Active noise cancellation (ANC) and environmental noise cancellation (ENC) of -42dB noise reduction deliver crystal-clear sound in any noisy environment. The 6-microphone ENC technology ensures that calls are clear without any interference. With a 400mAh case battery and 40mAh earbuds battery, Green Lion River Plus provides 6-7 hours of playback time and 35 hours of standby time. Type-C charging and wireless charging make recharging convenient and efficient. Smart in-ear detection for convenience maximizes the battery and allows seamless use.? Specification Material: ABS + PC Case Battery: 400mAh Earbuds Battery: 40mAh Bluetooth: V5.4 Transmission Range: 10-15m Speaker: 13mm Frequency: 20Hz-20kHz Impedance: 32? Sensitivity: 116±3dB Noise Reduction: -42dB Waterproof: IPX4 Charging Port: Type-C Charging Time: 1.5H Playtime: 6-7H Standby Time: 35H SKU: GNRVPSTWSBK | GNRVPSTWSWH | GNRVPSTWSCM GTIN: 09904781904506 | 09904781904674 | 09904781904742 Features Smart In-Ear Detection ANC + ENC Clarity 6-Mic ENC Calls Wireless Charging