Wireless Earbuds Bluetooth Headphones for Sports 33 Waterproof Smart Touch TWS. True wireless sports air buds with Charging Case Bluetooth version V5.0 Waterproof IPX4 Built in 300 mAH charging case Ergonomic design comfortable to wear and not easy to fall Smart touch Profile support HPS HFP A2DP AVRCP Standby time 300 hours Talk time 4.5 hours Music playtime 4 hours Charging time 1.5 hours Charging voltage DC 5V Frequency range 2.402G- 2.480G Transmission distance 10M Earbud battery capacity 50 mAH Charging Case battery capacity 300 mAH A7
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