JOYROOM JR-PB2 Jpods Series TWS Half In-ear Bluetooth Wireless Earphone 1. Ergonomic half in-ear design for long-lasting comfort. 2. Low latency, picture and sound in sync. 3. Slant touch control area, effectively preventing mistouch. 4. Bluetooth 5.3 connection, low consumption, stable transmission, smooth audio. 5. Ultra-fast charging, 10-minute charging offers 1h listening. 6. 13mm dynamic driver for HiFi audio quality. 7. IPX4 waterproof, withstands rain and sweat. 8. Specifications: - Wearing method: semi in ear - Bluetooth chip: JL AD6973D4 - Bluetooth: V5.3 - Bluetooth audio decoding: AAC, SBC - Supported protocols: HSP, HFP, A2DP, AVRCP - Working frequency: 2402-2480KHz - Headphone battery capacity: 30mAh - Charging case battery capacity: 300mAh - Horn impedance: 32 Ohm - Rated power: 2 x 3mW - Drive unit: 13mm - Music playback time: 6 hours (70% volume) - Total playback time: 28 hours (70% volume) - Talk time: about 4 hours (70% volume) - Headphone standby time: about 48H (connected) - Headphone charging input: 5V 200mA - Charging input of charging case: 5V 1A - Charging input port: Type C - Headphone charging time: about 1.5H - Charging time of the charging case: about 1.5h - Waterproof level: IPX4 - Product material: ABS+PC