Product details of JOYROOM JR-PB2 Jpods Series TWS Half In-ear Bluetooth Wireless Earphone - White 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 Core features: 1. Small size, large capacity, up to 28h total listening time 2. Ultra-fast charging: 10-minute charging offers 1h listening 3. Low latency 4. BT 5.3 5. IPX4 water resistance Product Features: 1. Small size, large capacity, up to 28h total listening time 2. Ultra-fast charging, 10-minute charging offers 1h listening 3. Low latency, picture and sound in sync 4. BT 5.3, low consumption, stable transmission, strong anti-interference, more fluid audio 5. IPX4 water resistance, withstands rain and sweat 6. φ13 large speaker, high-res audio quality 7. Ergonomic half-in-ear design, long-lasting comfort 8. Better connection, easier operation Specifications of JOYROOM JR-PB2 Jpods Series TWS Half In-ear Bluetooth Wireless Earphone - White