1. Bluetooth version: V5.3 Jerry AC6973D4 2. Support protocols: HSP, HFP, A2DP, AVRCP 3. Battery capacity 33mAh (without protection board, headphone board lithium battery protection IC) 4. Charging compartment battery capacity: 320mAh (with protective board) 5. Speaker: 13MM 6. Call duration 5H 7. Play time: 6H (80% volume) 8. Standby time: 300H 9. Charging time 1.5H 10. Speaker sensitivity: 109+/-3dB 11. Speaker impedance: 32ohms 12. Microphone sensitivity: -38+/-1dB 13. Input charging standard: DC 5V 14. Bluetooth working frequency: 2.402G-2.480G 15. Frequency response range: 50~20kHz 16. Transmission distance: Up to 15M 17. Voice prompt: Support 18. Multipoint connection: Not supported 19. Wearing method: Semi-in-ear 20. Interface: TYPE-C 21. Waterproof level: IPX4
1. 蓝牙版本:V5.3 杰理AC6973D4 2. 支持协议: HSP、HFP、A2DP、AVRCP 3. 电池容量 33mAh (不带保护板,耳机板锂电保护IC) 4. 充电仓电池容量: 320mAh (带保护板) 5. 喇叭: 13MM 6. 通话时长 5H 7. 播放时间:6H(80%音量) 8. 待机时长:300H 9. 充电时间 1.5H 10. 喇叭灵敏度 :109+/-3dB 11. 喇叭阻抗:32ohms 12. 麦克风灵敏度:-38+/-1dB 13. 输入充电标准:DC 5V 14. 蓝牙工作频率:2.402G-2.480G 15. 频响范围: 50~20kHz 16. 传输距离: 远达15M 17. 语音提示: 支持 18. 多点连接 :不支持 19. 佩戴方式: 半入耳式 20. 接口:TYPE-C 21. 防水等级: IPX4
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