FUTURESTARRKK M28 Wireless Earbuds TWS Bluetooth 5.1 Gaming Monster Earphones Touch Control Bluetooth  (Multicolor, True Wireless)

Wireless chip: The headphones adopt bluetooth-compatible V5.1 chip, which works with low latency and sensitive stereo sound, giving you a good gaming experience. Rechargeable: The charging box makes it easy for you to charge the headset, and you can use the headphones for a long time after fully charged, saving time for you to charge frequently. Waterproof: These earbuds are life water-resistant, so you can use them without being afraid of sweat, suitable for sports, running, gaming, etc. Excellent Sound Ensure Fast & Stable Connection Waterproof. Gaming Monster Earphones: Noise-cancelling & non-slip: The earbuds can reduce the noise effectively, and you can wear them without worrying about slipping or falling off, not easy to make trouble for you. M28 Wireless Earbuds TWS Bluetooth 5.1: Bluetooth-compatible version: V5.1. | Playing time: 4-5h. | Calling time: about 6h. | Standby time: about60 to 80 h. | Resistance: 32?. | Speaker: approx. 8mm/0.31inch. | Frequency response: 20Hz-20KHz. 1) Use only charging adapter approved by authentication. Unapproved or non-standard USB 5V outlet may result in damaging the earphones, or explosion under extreme conditions (2) Do not make or receive calls during charging. To answer a call, always unplug the charging cable first (3) To conserve energy, if not using, unplug the travel charging cable from the earphones.